--- title: Time functions sidebar_label: Time --- Date and time utilities from [`io.deephaven.time.DateTimeUtils`](/core/javadoc/io/deephaven/time/DateTimeUtils.html) including parsing, formatting, arithmetic, and time zones. | Type | Name | Signature | Description | | -------- | ---------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- | | CLASS | DateTimeUtils | [None](/core/javadoc/io/deephaven/time/DateTimeUtils.html) | Functions for working with time. | | CLASS | Duration | [None](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Duration.html) | A time-based amount of time, such as '34.5 seconds'. This class models a quantity or amount of... | | CLASS | Instant | [None](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Instant.html) | An instantaneous point on the time-line. This class models a single instantaneous point on the... | | CLASS | LocalDate | [None](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/LocalDate.html) | A date without a time-zone in the ISO-8601 calendar system, such as 2007-12-03. LocalDate is a... | | CLASS | LocalTime | [None](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/LocalTime.html) | A time without a time-zone in the ISO-8601 calendar system, such as 10:15:30. LocalTime is an ... | | CLASS | Period | [None](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Period.html) | A date-based amount of time in the ISO-8601 calendar system, such as '2 years, 3 months and 4 da... | | CLASS | ZonedDateTime | [None](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/ZonedDateTime.html) | A date-time with a time-zone in the ISO-8601 calendar system, such as 2007-12-03T10:15:30+01:00 ... | | CONSTANT | DAY | [long](/core/javadoc/io/deephaven/time/DateTimeUtils.html#DAY) | One day in nanoseconds. This is one hour of wall time and does not take into account calendar adj... | | CONSTANT | DAYS_PER_NANO | [double](/core/javadoc/io/deephaven/time/DateTimeUtils.html#DAYS_PER_NANO) | Number of days per nanosecond. | | CONSTANT | HOUR | [long](/core/javadoc/io/deephaven/time/DateTimeUtils.html#HOUR) | One hour in nanoseconds. | | CONSTANT | HOURS_PER_NANO | [double](/core/javadoc/io/deephaven/time/DateTimeUtils.html#HOURS_PER_NANO) | Number of hours per nanosecond. | | CONSTANT | MICRO | [long](/core/javadoc/io/deephaven/time/DateTimeUtils.html#MICRO) | One microsecond in nanoseconds. | | CONSTANT | MILLI | [long](/core/javadoc/io/deephaven/time/DateTimeUtils.html#MILLI) | One millisecond in nanoseconds. | | CONSTANT | MINUTE | [long](/core/javadoc/io/deephaven/time/DateTimeUtils.html#MINUTE) | One minute in nanoseconds. | | CONSTANT | MINUTES_PER_NANO | [double](/core/javadoc/io/deephaven/time/DateTimeUtils.html#MINUTES_PER_NANO) | Number of minutes per nanosecond. | | CONSTANT | SECOND | [long](/core/javadoc/io/deephaven/time/DateTimeUtils.html#SECOND) | One second in nanoseconds. | | CONSTANT | SECONDS_PER_NANO | [double](/core/javadoc/io/deephaven/time/DateTimeUtils.html#SECONDS_PER_NANO) | Number of seconds per nanosecond. | | CONSTANT | WEEK | [long](/core/javadoc/io/deephaven/time/DateTimeUtils.html#WEEK) | One week in nanoseconds. This is 7 days of wall time and does not take into account calendar adju... | | CONSTANT | YEARS_PER_NANO_365 | [double](/core/javadoc/io/deephaven/time/DateTimeUtils.html#YEARS_PER_NANO_365) | Number of 365 day years per nanosecond. | | CONSTANT | YEARS_PER_NANO_AVG | [double](/core/javadoc/io/deephaven/time/DateTimeUtils.html#YEARS_PER_NANO_AVG) | Number of average (365.2425 day) years per nanosecond. | | CONSTANT | YEAR_365 | [long](/core/javadoc/io/deephaven/time/DateTimeUtils.html#YEAR_365) | One 365 day year in nanoseconds. This is 365 days of wall time and does not take into account cal... | | CONSTANT | YEAR_AVG | [long](/core/javadoc/io/deephaven/time/DateTimeUtils.html#YEAR_AVG) | One average year in nanoseconds. This is 365.2425 days of wall time and does not take into accoun... | | CONSTANT | ZERO_LENGTH_INSTANT_ARRAY | [Instant\[\]](/core/javadoc/io/deephaven/time/DateTimeUtils.html#ZERO_LENGTH_INSTANT_ARRAY) | A zero length array of instants. | | FUNCTION | addCalendar | [void\(BusinessCalendar\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/Calendars.html#addCalendar(io.deephaven.time.calendar.BusinessCalendar)) | Adds a calendar to the collection. | | FUNCTION | addCalendarFromFile | [void\(File\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/Calendars.html#addCalendarFromFile(java.io.File)) | Adds a calendar to the collection from a file. | | FUNCTION | addCalendarFromFile | [void\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/Calendars.html#addCalendarFromFile(java.lang.String)) | Adds a calendar to the collection from a file. | | FUNCTION | atMidnight | [Instant\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#atMidnight(java.time.Instant,java.time.ZoneId)) | Returns an Instant for the prior midnight in the specified time zone. | | FUNCTION | atMidnight | [ZonedDateTime\(LocalDate, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#atMidnight(java.time.LocalDate,java.time.ZoneId)) | Returns a ZonedDateTime for the prior midnight in the specified time zone. | | FUNCTION | atMidnight | [ZonedDateTime\(LocalDateTime, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#atMidnight(java.time.LocalDateTime,java.time.ZoneId)) | Returns a ZonedDateTime for the prior midnight in the specified time zone. | | FUNCTION | atMidnight | [ZonedDateTime\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#atMidnight(java.time.ZonedDateTime)) | Returns a ZonedDateTime for the prior midnight in the specified time zone. | | FUNCTION | businessDates | [LocalDate\[\]\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#businessDates(java.time.Instant,java.time.Instant)) | Returns the business dates in a given range. | | FUNCTION | businessDates | [LocalDate\[\]\(Instant, Instant, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#businessDates(java.time.Instant,java.time.Instant,boolean,boolean)) | Returns the business dates in a given range. | | FUNCTION | businessDates | [LocalDate\[\]\(LocalDate, LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#businessDates(java.time.LocalDate,java.time.LocalDate)) | Returns the business dates in a given range. | | FUNCTION | businessDates | [LocalDate\[\]\(LocalDate, LocalDate, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#businessDates(java.time.LocalDate,java.time.LocalDate,boolean,boolean)) | Returns the business dates in a given range. | | FUNCTION | businessDates | [LocalDate\[\]\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#businessDates(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the business dates in a given range. | | FUNCTION | businessDates | [LocalDate\[\]\(ZonedDateTime, ZonedDateTime, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#businessDates(java.time.ZonedDateTime,java.time.ZonedDateTime,boolean,boolean)) | Returns the business dates in a given range. | | FUNCTION | businessDates | [String\[\]\(String, String\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#businessDates(java.lang.String,java.lang.String)) | Returns the business dates in a given range. | | FUNCTION | businessDates | [String\[\]\(String, String, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#businessDates(java.lang.String,java.lang.String,boolean,boolean)) | Returns the business dates in a given range. | | FUNCTION | calendar | [BusinessCalendar\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/Calendars.html#calendar()) | Returns the default business calendar. | | FUNCTION | calendar | [BusinessCalendar\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/Calendars.html#calendar(java.lang.String)) | Returns a business calendar. | | FUNCTION | calendarDate | [LocalDate\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDate()) | The current date for the calendar. | | FUNCTION | calendarDates | [LocalDate\[\]\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDates(java.time.Instant,java.time.Instant)) | Returns the dates in a given range. | | FUNCTION | calendarDates | [LocalDate\[\]\(Instant, Instant, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDates(java.time.Instant,java.time.Instant,boolean,boolean)) | Returns the dates in a given range. | | FUNCTION | calendarDates | [LocalDate\[\]\(LocalDate, LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDates(java.time.LocalDate,java.time.LocalDate)) | Returns the dates in a given range. | | FUNCTION | calendarDates | [LocalDate\[\]\(LocalDate, LocalDate, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDates(java.time.LocalDate,java.time.LocalDate,boolean,boolean)) | Returns the dates in a given range. | | FUNCTION | calendarDates | [LocalDate\[\]\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDates(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the dates in a given range. | | FUNCTION | calendarDates | [LocalDate\[\]\(ZonedDateTime, ZonedDateTime, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDates(java.time.ZonedDateTime,java.time.ZonedDateTime,boolean,boolean)) | Returns the dates in a given range. | | FUNCTION | calendarDates | [String\[\]\(String, String\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDates(java.lang.String,java.lang.String)) | Returns the dates in a given range. | | FUNCTION | calendarDates | [String\[\]\(String, String, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDates(java.lang.String,java.lang.String,boolean,boolean)) | Returns the dates in a given range. | | FUNCTION | calendarDay | [CalendarDay\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDay()) | Returns the CalendarDay for a date. | | FUNCTION | calendarDay | [CalendarDay\(Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDay(java.time.Instant)) | Returns the CalendarDay for a date. | | FUNCTION | calendarDay | [CalendarDay\(LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDay(java.time.LocalDate)) | Returns the CalendarDay for a date. | | FUNCTION | calendarDay | [CalendarDay\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDay(java.lang.String)) | Returns the CalendarDay for a date. | | FUNCTION | calendarDay | [CalendarDay\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDay(java.time.ZonedDateTime)) | Returns the CalendarDay for a date. | | FUNCTION | calendarDayOfWeek | [DayOfWeek\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDayOfWeek()) | The current day of the week for the calendar. | | FUNCTION | calendarDayOfWeek | [DayOfWeek\(Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDayOfWeek(java.time.Instant)) | The current day of the week for the calendar. | | FUNCTION | calendarDayOfWeek | [DayOfWeek\(LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDayOfWeek(java.time.LocalDate)) | The current day of the week for the calendar. | | FUNCTION | calendarDayOfWeek | [DayOfWeek\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDayOfWeek(java.lang.String)) | The current day of the week for the calendar. | | FUNCTION | calendarDayOfWeek | [DayOfWeek\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDayOfWeek(java.time.ZonedDateTime)) | The current day of the week for the calendar. | | FUNCTION | calendarDayOfWeekValue | [int\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDayOfWeekValue()) | Returns a 1-based int value of the day of the week for the calendar, where 1 is Monday and 7 is S... | | FUNCTION | calendarDayOfWeekValue | [int\(Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDayOfWeekValue(java.time.Instant)) | Returns a 1-based int value of the day of the week for the calendar, where 1 is Monday and 7 is S... | | FUNCTION | calendarDayOfWeekValue | [int\(LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDayOfWeekValue(java.time.LocalDate)) | Returns a 1-based int value of the day of the week for the calendar, where 1 is Monday and 7 is S... | | FUNCTION | calendarDayOfWeekValue | [int\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDayOfWeekValue(java.lang.String)) | Returns a 1-based int value of the day of the week for the calendar, where 1 is Monday and 7 is S... | | FUNCTION | calendarDayOfWeekValue | [int\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarDayOfWeekValue(java.time.ZonedDateTime)) | Returns a 1-based int value of the day of the week for the calendar, where 1 is Monday and 7 is S... | | FUNCTION | calendarName | [String\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/Calendars.html#calendarName()) | Returns the name of the default business calendar. | | FUNCTION | calendarNames | [String\[\]\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/Calendars.html#calendarNames()) | Returns the names of all available calendars. | | FUNCTION | calendarTimeZone | [ZoneId\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#calendarTimeZone()) | Gets the timezone of the calendar. | | FUNCTION | calendarsFromConfiguration | [List\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/Calendars.html#calendarsFromConfiguration()) | Loads the line-separated calendar XML resources from the resource file configuration value "Cale... | | FUNCTION | currentClock | [Clock\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#currentClock()) | Returns the clock used to compute the current time. This may be the current system clock, or it m... | | FUNCTION | dayOfMonth | [int\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#dayOfMonth(java.time.Instant,java.time.ZoneId)) | Returns a 1-based int value of the day of the month for an Instant and specified time zone. The f... | | FUNCTION | dayOfMonth | [int\(LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#dayOfMonth(java.time.LocalDate)) | Returns a 1-based int value of the day of the month for a LocalDate. The first day of the month r... | | FUNCTION | dayOfMonth | [int\(LocalDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#dayOfMonth(java.time.LocalDateTime)) | Returns a 1-based int value of the day of the month for a LocalDateTime. The first day of the mon... | | FUNCTION | dayOfMonth | [int\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#dayOfMonth(java.time.ZonedDateTime)) | Returns a 1-based int value of the day of the month for a ZonedDateTime and specified time zone. ... | | FUNCTION | dayOfWeek | [DayOfWeek\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#dayOfWeek(java.time.Instant,java.time.ZoneId)) | Returns the day of the week for an Instant in the specified time zone. | | FUNCTION | dayOfWeek | [DayOfWeek\(LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#dayOfWeek(java.time.LocalDate)) | Returns the day of the week for a LocalDate. | | FUNCTION | dayOfWeek | [DayOfWeek\(LocalDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#dayOfWeek(java.time.LocalDateTime)) | Returns athe day of the week for a ZonedDateTime. | | FUNCTION | dayOfWeek | [DayOfWeek\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#dayOfWeek(java.time.ZonedDateTime)) | Returns the day of the week for a ZonedDateTime in the specified time zone. | | FUNCTION | dayOfWeekValue | [int\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#dayOfWeekValue(java.time.Instant,java.time.ZoneId)) | Returns a 1-based int value of the day of the week for an Instant in the specified time zone, wit... | | FUNCTION | dayOfWeekValue | [int\(LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#dayOfWeekValue(java.time.LocalDate)) | Returns a 1-based int value of the day of the week for a LocalDate, with 1 being Monday and 7 bei... | | FUNCTION | dayOfWeekValue | [int\(LocalDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#dayOfWeekValue(java.time.LocalDateTime)) | Returns a 1-based int value of the day of the week for a LocalDateTime, with 1 being Monday and 7... | | FUNCTION | dayOfWeekValue | [int\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#dayOfWeekValue(java.time.ZonedDateTime)) | Returns a 1-based int value of the day of the week for a ZonedDateTime in the specified time zone... | | FUNCTION | dayOfYear | [int\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#dayOfYear(java.time.Instant,java.time.ZoneId)) | Returns a 1-based int value of the day of the year (Julian date) for an Instant in the specified ... | | FUNCTION | dayOfYear | [int\(LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#dayOfYear(java.time.LocalDate)) | Returns a 1-based int value of the day of the year (Julian date) for a LocalDate. The first day o... | | FUNCTION | dayOfYear | [int\(LocalDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#dayOfYear(java.time.LocalDateTime)) | Returns a 1-based int value of the day of the year (Julian date) for a LocalDateTime. The first d... | | FUNCTION | dayOfYear | [int\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#dayOfYear(java.time.ZonedDateTime)) | Returns a 1-based int value of the day of the year (Julian date) for a ZonedDateTime in the speci... | | FUNCTION | diffBusinessDays | [double\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#diffBusinessDays(java.time.Instant,java.time.Instant)) | Returns the amount of business time in standard business days between two times. | | FUNCTION | diffBusinessDays | [double\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#diffBusinessDays(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the amount of business time in standard business days between two times. | | FUNCTION | diffBusinessDuration | [Duration\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#diffBusinessDuration(java.time.Instant,java.time.Instant)) | Returns the amount of business time between two times. | | FUNCTION | diffBusinessDuration | [Duration\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#diffBusinessDuration(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the amount of business time between two times. | | FUNCTION | diffBusinessNanos | [long\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#diffBusinessNanos(java.time.Instant,java.time.Instant)) | Returns the amount of business time in nanoseconds between two times. | | FUNCTION | diffBusinessNanos | [long\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#diffBusinessNanos(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the amount of business time in nanoseconds between two times. | | FUNCTION | diffBusinessYears | [double\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#diffBusinessYears(java.time.Instant,java.time.Instant)) | Returns the number of business years between start and end. | | FUNCTION | diffBusinessYears | [double\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#diffBusinessYears(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the number of business years between start and end. | | FUNCTION | diffDays | [double\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#diffDays(java.time.Instant,java.time.Instant)) | Returns the difference in days between two instant values. | | FUNCTION | diffDays | [double\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#diffDays(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the difference in days between two zoned date time values. | | FUNCTION | diffMicros | [long\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#diffMicros(java.time.Instant,java.time.Instant)) | Returns the difference in microseconds between two instant values. | | FUNCTION | diffMicros | [long\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#diffMicros(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the difference in microseconds between two zoned date time values. | | FUNCTION | diffMillis | [long\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#diffMillis(java.time.Instant,java.time.Instant)) | Returns the difference in milliseconds between two instant values. | | FUNCTION | diffMillis | [long\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#diffMillis(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the difference in milliseconds between two zoned date time values. | | FUNCTION | diffMinutes | [double\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#diffMinutes(java.time.Instant,java.time.Instant)) | Returns the difference in minutes between two instant values. | | FUNCTION | diffMinutes | [double\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#diffMinutes(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the difference in minutes between two zoned date time values. | | FUNCTION | diffNanos | [long\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#diffNanos(java.time.Instant,java.time.Instant)) | Returns the difference in nanoseconds between two instant values. | | FUNCTION | diffNanos | [long\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#diffNanos(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the difference in nanoseconds between two zoned date time values. | | FUNCTION | diffNonBusinessDuration | [Duration\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#diffNonBusinessDuration(java.time.Instant,java.time.Instant)) | Returns the amount of non-business time between two times. | | FUNCTION | diffNonBusinessDuration | [Duration\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#diffNonBusinessDuration(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the amount of non-business time between two times. | | FUNCTION | diffNonBusinessNanos | [long\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#diffNonBusinessNanos(java.time.Instant,java.time.Instant)) | Returns the amount of non-business time in nanoseconds between two times. | | FUNCTION | diffNonBusinessNanos | [long\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#diffNonBusinessNanos(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the amount of non-business time in nanoseconds between two times. | | FUNCTION | diffSeconds | [double\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#diffSeconds(java.time.Instant,java.time.Instant)) | Returns the difference in seconds between two instant values. | | FUNCTION | diffSeconds | [double\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#diffSeconds(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the difference in seconds between two zoned date time values. | | FUNCTION | diffYears365 | [double\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#diffYears365(java.time.Instant,java.time.Instant)) | Returns the difference in years between two instant values. Years are defined in terms of 365 ... | | FUNCTION | diffYears365 | [double\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#diffYears365(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the difference in years between two zoned date time values. Years are defined in terms... | | FUNCTION | diffYearsAvg | [double\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#diffYearsAvg(java.time.Instant,java.time.Instant)) | Returns the difference in years between two instant values. Years are defined in terms of 365.... | | FUNCTION | diffYearsAvg | [double\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#diffYearsAvg(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the difference in years between two zoned date time values. Years are defined in terms... | | FUNCTION | divide | [Duration\(Duration, long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#divide(java.time.Duration,long)) | Divide a duration by a scalar. | | FUNCTION | epochAutoToEpochNanos | [long\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochAutoToEpochNanos(long)) | Converts an offset from the Epoch to a nanoseconds from the Epoch. The offset can be in milliseco... | | FUNCTION | epochAutoToInstant | [Instant\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochAutoToInstant(long)) | Converts an offset from the Epoch to an Instant. The offset can be in milliseconds, microseconds,... | | FUNCTION | epochAutoToZonedDateTime | [ZonedDateTime\(long, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochAutoToZonedDateTime(long,java.time.ZoneId)) | Converts an offset from the Epoch to a ZonedDateTime. The offset can be in milliseconds, microsec... | | FUNCTION | epochDays | [long\(LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochDays(java.time.LocalDate)) | Returns number of days from the Epoch for a LocalDate value. | | FUNCTION | epochDaysAsInt | [int\(LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochDaysAsInt(java.time.LocalDate)) | Returns number of days (as an int) from the Epoch for a LocalDate value. | | FUNCTION | epochDaysAsIntToLocalDate | [LocalDate\(int\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochDaysAsIntToLocalDate(int)) | Converts days from the Epoch (stored as int) to a LocalDate. | | FUNCTION | epochDaysToLocalDate | [LocalDate\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochDaysToLocalDate(long)) | Converts days from the Epoch to a LocalDate. | | FUNCTION | epochMicros | [long\(Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochMicros(java.time.Instant)) | Returns microseconds from the Epoch for an Instant value. | | FUNCTION | epochMicros | [long\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochMicros(java.time.ZonedDateTime)) | Returns microseconds from the Epoch for a ZonedDateTime value. | | FUNCTION | epochMicrosToInstant | [Instant\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochMicrosToInstant(long)) | Converts microseconds from the Epoch to an Instant. | | FUNCTION | epochMicrosToZonedDateTime | [ZonedDateTime\(long, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochMicrosToZonedDateTime(long,java.time.ZoneId)) | Converts microseconds from the Epoch to a ZonedDateTime. | | FUNCTION | epochMillis | [long\(Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochMillis(java.time.Instant)) | Returns milliseconds from the Epoch for an Instant value. | | FUNCTION | epochMillis | [long\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochMillis(java.time.ZonedDateTime)) | Returns milliseconds from the Epoch for a ZonedDateTime value. | | FUNCTION | epochMillisToInstant | [Instant\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochMillisToInstant(long)) | Converts milliseconds from the Epoch to an Instant. | | FUNCTION | epochMillisToZonedDateTime | [ZonedDateTime\(long, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochMillisToZonedDateTime(long,java.time.ZoneId)) | Converts milliseconds from the Epoch to a ZonedDateTime. | | FUNCTION | epochNanos | [long\(Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochNanos(java.time.Instant)) | Returns nanoseconds from the Epoch for an Instant value. | | FUNCTION | epochNanos | [long\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochNanos(java.time.ZonedDateTime)) | Returns nanoseconds from the Epoch for a ZonedDateTime value. | | FUNCTION | epochNanosToInstant | [Instant\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochNanosToInstant(long)) | Converts nanoseconds from the Epoch to an Instant. | | FUNCTION | epochNanosToZonedDateTime | [ZonedDateTime\(long, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochNanosToZonedDateTime(long,java.time.ZoneId)) | Converts nanoseconds from the Epoch to a ZonedDateTime. | | FUNCTION | epochSeconds | [long\(Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochSeconds(java.time.Instant)) | Returns seconds since from the Epoch for an Instant value. | | FUNCTION | epochSeconds | [long\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochSeconds(java.time.ZonedDateTime)) | Returns seconds since from the Epoch for a ZonedDateTime value. | | FUNCTION | epochSecondsToInstant | [Instant\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochSecondsToInstant(long)) | Converts seconds from the Epoch to an Instant. | | FUNCTION | epochSecondsToZonedDateTime | [ZonedDateTime\(long, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#epochSecondsToZonedDateTime(long,java.time.ZoneId)) | Converts seconds from the Epoch to a ZonedDateTime. | | FUNCTION | excelToInstant | [Instant\(double, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#excelToInstant(double,java.time.ZoneId)) | Converts an Excel time represented as a double to an Instant. | | FUNCTION | excelToZonedDateTime | [ZonedDateTime\(double, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#excelToZonedDateTime(double,java.time.ZoneId)) | Converts an Excel time represented as a double to a ZonedDateTime. | | FUNCTION | formatDate | [String\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#formatDate(java.time.Instant,java.time.ZoneId)) | Returns an Instant formatted as a "yyyy-MM-dd" string. | | FUNCTION | formatDate | [String\(LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#formatDate(java.time.LocalDate)) | Returns a LocalDate formatted as a "yyyy-MM-dd" string. | | FUNCTION | formatDate | [String\(LocalDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#formatDate(java.time.LocalDateTime)) | Returns a LocalDateTime formatted as a "yyyy-MM-dd" string. | | FUNCTION | formatDate | [String\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#formatDate(java.time.ZonedDateTime)) | Returns a ZonedDateTime formatted as a "yyyy-MM-dd" string. | | FUNCTION | formatDateTime | [String\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#formatDateTime(java.time.Instant,java.time.ZoneId)) | Returns an Instant formatted as a "yyyy-MM-ddThh:mm:ss.SSSSSSSSS TZ" string. | | FUNCTION | formatDateTime | [String\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#formatDateTime(java.time.ZonedDateTime)) | Returns a ZonedDateTime formatted as a "yyyy-MM-ddThh:mm:ss.SSSSSSSSS TZ" string. | | FUNCTION | formatDurationNanos | [String\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#formatDurationNanos(long)) | Returns a nanosecond duration formatted as a "[-]PThhh:mm:ss.nnnnnnnnn" string. | | FUNCTION | fractionBusinessDayComplete | [double\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#fractionBusinessDayComplete()) | Fraction of the current business day complete. | | FUNCTION | fractionBusinessDayComplete | [double\(Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#fractionBusinessDayComplete(java.time.Instant)) | Fraction of the business day complete. | | FUNCTION | fractionBusinessDayComplete | [double\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#fractionBusinessDayComplete(java.time.ZonedDateTime)) | Fraction of the business day complete. | | FUNCTION | fractionBusinessDayRemaining | [double\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#fractionBusinessDayRemaining()) | Fraction of the business day remaining. | | FUNCTION | fractionBusinessDayRemaining | [double\(Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#fractionBusinessDayRemaining(java.time.Instant)) | Fraction of the business day remaining. | | FUNCTION | fractionBusinessDayRemaining | [double\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#fractionBusinessDayRemaining(java.time.ZonedDateTime)) | Fraction of the business day remaining. | | FUNCTION | fractionStandardBusinessDay | [double\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#fractionStandardBusinessDay()) | Returns the ratio of the business day length and the standard business day length. For example, a... | | FUNCTION | fractionStandardBusinessDay | [double\(Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#fractionStandardBusinessDay(java.time.Instant)) | Returns the ratio of the business day length and the standard business day length. For example, a... | | FUNCTION | fractionStandardBusinessDay | [double\(LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#fractionStandardBusinessDay(java.time.LocalDate)) | Returns the ratio of the business day length and the standard business day length. For example, a... | | FUNCTION | fractionStandardBusinessDay | [double\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#fractionStandardBusinessDay(java.lang.String)) | Returns the ratio of the business day length and the standard business day length. For example, a... | | FUNCTION | fractionStandardBusinessDay | [double\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#fractionStandardBusinessDay(java.time.ZonedDateTime)) | Returns the ratio of the business day length and the standard business day length. For example, a... | | FUNCTION | futureBusinessDate | [LocalDate\(int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#futureBusinessDate(int)) | Adds a specified number of business days to the current date. Adding negative days is equivalent ... | | FUNCTION | futureDate | [LocalDate\(int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#futureDate(int)) | Adds a specified number of days to the current date. Adding negative days is equivalent to subtra... | | FUNCTION | futureNonBusinessDate | [LocalDate\(int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#futureNonBusinessDate(int)) | Adds a specified number of non-business days to the current date. Adding negative days is equival... | | FUNCTION | holidays | [Map\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#holidays()) | Business day schedules for all holidays. A holiday is a date that has a schedule that is differen... | | FUNCTION | hourOfDay | [int\(Instant, ZoneId, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#hourOfDay(java.time.Instant,java.time.ZoneId,boolean)) | Returns the number of hours that have elapsed since the start of the day. | | FUNCTION | hourOfDay | [int\(LocalDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#hourOfDay(java.time.LocalDateTime)) | Returns the number of hours that have elapsed since the start of the day. | | FUNCTION | hourOfDay | [int\(LocalTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#hourOfDay(java.time.LocalTime)) | Returns the number of hours that have elapsed since the start of the day. | | FUNCTION | hourOfDay | [int\(ZonedDateTime, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#hourOfDay(java.time.ZonedDateTime,boolean)) | Returns the number of hours that have elapsed since the start of the day. | | FUNCTION | isAfter | [boolean\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#isAfter(java.time.Instant,java.time.Instant)) | Evaluates whether one instant value is after a second instant value. | | FUNCTION | isAfter | [boolean\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#isAfter(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Evaluates whether one zoned date time value is after a second zoned date time value. | | FUNCTION | isAfterOrEqual | [boolean\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#isAfterOrEqual(java.time.Instant,java.time.Instant)) | Evaluates whether one instant value is after or equal to a second instant value. | | FUNCTION | isAfterOrEqual | [boolean\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#isAfterOrEqual(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Evaluates whether one zoned date time value is after or equal to a second zoned date time value. | | FUNCTION | isBefore | [boolean\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#isBefore(java.time.Instant,java.time.Instant)) | Evaluates whether one instant value is before a second instant value. | | FUNCTION | isBefore | [boolean\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#isBefore(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Evaluates whether one zoned date time value is before a second zoned date time value. | | FUNCTION | isBeforeOrEqual | [boolean\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#isBeforeOrEqual(java.time.Instant,java.time.Instant)) | Evaluates whether one instant value is before or equal to a second instant value. | | FUNCTION | isBeforeOrEqual | [boolean\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#isBeforeOrEqual(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Evaluates whether one zoned date time value is before or equal to a second zoned date time value. | | FUNCTION | isBusinessDay | [boolean\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isBusinessDay()) | Is the current day a business day? As long as the current time occurs on a business day, it is co... | | FUNCTION | isBusinessDay | [boolean\(DayOfWeek\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isBusinessDay(java.time.DayOfWeek)) | Is the day of the week a normal business day?. | | FUNCTION | isBusinessDay | [boolean\(Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isBusinessDay(java.time.Instant)) | Is the time on a business day? As long as the time occurs on a business day, it is considered ... | | FUNCTION | isBusinessDay | [boolean\(LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isBusinessDay(java.time.LocalDate)) | Is the date a business day?. | | FUNCTION | isBusinessDay | [boolean\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isBusinessDay(java.lang.String)) | Is the date a business day?. | | FUNCTION | isBusinessDay | [boolean\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isBusinessDay(java.time.ZonedDateTime)) | Is the time on a business day? As long as the time occurs on a business day, it is considered ... | | FUNCTION | isBusinessTime | [boolean\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isBusinessTime()) | Determines if the current time according to the Deephaven system clock is a business time. Busine... | | FUNCTION | isBusinessTime | [boolean\(Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isBusinessTime(java.time.Instant)) | Determines if the specified time is a business time. Business times fall within business time ran... | | FUNCTION | isBusinessTime | [boolean\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isBusinessTime(java.time.ZonedDateTime)) | Determines if the specified time is a business time. Business times fall within business time ran... | | FUNCTION | isLastBusinessDayOfMonth | [boolean\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isLastBusinessDayOfMonth()) | Is the current date the last business day of the month?. | | FUNCTION | isLastBusinessDayOfMonth | [boolean\(Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isLastBusinessDayOfMonth(java.time.Instant)) | Is the time on the last business day of the month? As long as the time occurs on a business da... | | FUNCTION | isLastBusinessDayOfMonth | [boolean\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isLastBusinessDayOfMonth(java.lang.String)) | Is the date the last business day of the month?. | | FUNCTION | isLastBusinessDayOfMonth | [boolean\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isLastBusinessDayOfMonth(java.time.ZonedDateTime)) | Is the time on the last business day of the month? As long as the time occurs on a business da... | | FUNCTION | isLastBusinessDayOfWeek | [boolean\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isLastBusinessDayOfWeek()) | Is the current date the last business day of the week?. | | FUNCTION | isLastBusinessDayOfWeek | [boolean\(Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isLastBusinessDayOfWeek(java.time.Instant)) | Is the time on the last business day of the week? As long as the time occurs on a business day... | | FUNCTION | isLastBusinessDayOfWeek | [boolean\(LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isLastBusinessDayOfWeek(java.time.LocalDate)) | Is the date the last business day of the week?. | | FUNCTION | isLastBusinessDayOfWeek | [boolean\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isLastBusinessDayOfWeek(java.lang.String)) | Is the date is last business day of the week?. | | FUNCTION | isLastBusinessDayOfWeek | [boolean\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isLastBusinessDayOfWeek(java.time.ZonedDateTime)) | Is the time on the last business day of the week? As long as the time occurs on a business day... | | FUNCTION | isLastBusinessDayOfYear | [boolean\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isLastBusinessDayOfYear()) | Is the current date the last business day of the year? As long as the current time occurs on a... | | FUNCTION | isLastBusinessDayOfYear | [boolean\(Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isLastBusinessDayOfYear(java.time.Instant)) | Is the time on the last business day of the year? As long as the time occurs on a business day... | | FUNCTION | isLastBusinessDayOfYear | [boolean\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#isLastBusinessDayOfYear(java.time.ZonedDateTime)) | Is the time on the last business day of the year? As long as the time occurs on a business day... | | FUNCTION | lowerBin | [Instant\(Instant, Duration\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#lowerBin(java.time.Instant,java.time.Duration)) | Returns an Instant value, which is at the starting (lower) end of a time range defined by the int... | | FUNCTION | lowerBin | [Instant\(Instant, Duration, Duration\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#lowerBin(java.time.Instant,java.time.Duration,java.time.Duration)) | Returns an Instant value, which is at the starting (lower) end of a time range defined by the int... | | FUNCTION | lowerBin | [Instant\(Instant, long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#lowerBin(java.time.Instant,long)) | Returns an Instant value, which is at the starting (lower) end of a time range defined by the int... | | FUNCTION | lowerBin | [Instant\(Instant, long, long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#lowerBin(java.time.Instant,long,long)) | Returns an Instant value, which is at the starting (lower) end of a time range defined by the int... | | FUNCTION | lowerBin | [ZonedDateTime\(ZonedDateTime, Duration\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#lowerBin(java.time.ZonedDateTime,java.time.Duration)) | Returns a ZonedDateTime value, which is at the starting (lower) end of a time range defined by th... | | FUNCTION | lowerBin | [ZonedDateTime\(ZonedDateTime, Duration, Duration\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#lowerBin(java.time.ZonedDateTime,java.time.Duration,java.time.Duration)) | Returns a ZonedDateTime value, which is at the starting (lower) end of a time range defined by th... | | FUNCTION | lowerBin | [ZonedDateTime\(ZonedDateTime, long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#lowerBin(java.time.ZonedDateTime,long)) | Returns a ZonedDateTime value, which is at the starting (lower) end of a time range defined by th... | | FUNCTION | lowerBin | [ZonedDateTime\(ZonedDateTime, long, long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#lowerBin(java.time.ZonedDateTime,long,long)) | Returns a ZonedDateTime value, which is at the starting (lower) end of a time range defined by th... | | FUNCTION | microsOfDayToLocalTime | [LocalTime\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#microsOfDayToLocalTime(long)) | Converts the number of microseconds from midnight to a LocalTime. | | FUNCTION | microsOfMilli | [int\(Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#microsOfMilli(java.time.Instant)) | Returns the number of microseconds that have elapsed since the top of the millisecond. Nanosecond... | | FUNCTION | microsOfMilli | [int\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#microsOfMilli(java.time.ZonedDateTime)) | Returns the number of microseconds that have elapsed since the top of the millisecond. Nanosecond... | | FUNCTION | microsOfSecond | [long\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#microsOfSecond(java.time.Instant,java.time.ZoneId)) | Returns the number of microseconds that have elapsed since the top of the second. | | FUNCTION | microsOfSecond | [long\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#microsOfSecond(java.time.ZonedDateTime)) | Returns the number of microseconds that have elapsed since the top of the second. | | FUNCTION | microsToMillis | [long\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#microsToMillis(long)) | Converts microseconds to milliseconds. | | FUNCTION | microsToNanos | [long\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#microsToNanos(long)) | Converts microseconds to nanoseconds. | | FUNCTION | microsToSeconds | [long\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#microsToSeconds(long)) | Converts microseconds to seconds. | | FUNCTION | millisOfDay | [int\(Instant, ZoneId, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#millisOfDay(java.time.Instant,java.time.ZoneId,boolean)) | Returns the number of milliseconds that have elapsed since the start of the day. | | FUNCTION | millisOfDay | [int\(LocalDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#millisOfDay(java.time.LocalDateTime)) | Returns the number of milliseconds that have elapsed since the start of the day. | | FUNCTION | millisOfDay | [int\(LocalTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#millisOfDay(java.time.LocalTime)) | Returns the number of milliseconds that have elapsed since the start of the day. | | FUNCTION | millisOfDay | [int\(ZonedDateTime, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#millisOfDay(java.time.ZonedDateTime,boolean)) | Returns the number of milliseconds that have elapsed since the start of the day. | | FUNCTION | millisOfDayToLocalTime | [LocalTime\(int\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#millisOfDayToLocalTime(int)) | Converts the number of milliseconds from midnight to a LocalTime. | | FUNCTION | millisOfSecond | [int\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#millisOfSecond(java.time.Instant,java.time.ZoneId)) | Returns the number of milliseconds that have elapsed since the top of the second. | | FUNCTION | millisOfSecond | [int\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#millisOfSecond(java.time.ZonedDateTime)) | Returns the number of milliseconds that have elapsed since the top of the second. | | FUNCTION | millisToMicros | [long\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#millisToMicros(long)) | Converts milliseconds to microseconds. | | FUNCTION | millisToNanos | [long\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#millisToNanos(long)) | Converts milliseconds to nanoseconds. | | FUNCTION | millisToSeconds | [long\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#millisToSeconds(long)) | Converts milliseconds to seconds. | | FUNCTION | minus | [Duration\(Duration, Duration\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minus(java.time.Duration,java.time.Duration)) | Subtracts two durations. | | FUNCTION | minus | [Instant\(Instant, Duration\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minus(java.time.Instant,java.time.Duration)) | Subtracts a time period to an Instant. | | FUNCTION | minus | [Instant\(Instant, Period\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minus(java.time.Instant,java.time.Period)) | Subtracts a time period to an Instant. | | FUNCTION | minus | [Instant\(Instant, long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minus(java.time.Instant,long)) | Subtracts nanoseconds from an Instant. | | FUNCTION | minus | [LocalDate\(LocalDate, Period\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minus(java.time.LocalDate,java.time.Period)) | Subtracts a time period from a LocalDate. | | FUNCTION | minus | [LocalDateTime\(LocalDateTime, Period\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minus(java.time.LocalDateTime,java.time.Period)) | Subtracts a time period from a LocalDateTime. | | FUNCTION | minus | [Period\(Period, Period\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minus(java.time.Period,java.time.Period)) | Subtracts two periods. | | FUNCTION | minus | [ZonedDateTime\(ZonedDateTime, Duration\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minus(java.time.ZonedDateTime,java.time.Duration)) | Subtracts a time period to a ZonedDateTime. | | FUNCTION | minus | [ZonedDateTime\(ZonedDateTime, Period\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minus(java.time.ZonedDateTime,java.time.Period)) | Subtracts a time period to a ZonedDateTime. | | FUNCTION | minus | [ZonedDateTime\(ZonedDateTime, long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minus(java.time.ZonedDateTime,long)) | Subtracts nanoseconds from a ZonedDateTime. | | FUNCTION | minus | [long\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minus(java.time.Instant,java.time.Instant)) | Subtract one instant from another and return the difference in nanoseconds. | | FUNCTION | minus | [long\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minus(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Subtract one zoned date time from another and return the difference in nanoseconds. | | FUNCTION | minusBusinessDays | [Instant\(Instant, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#minusBusinessDays(java.time.Instant,int)) | Subtracts a specified number of business days from an input time. Subtracting negative days is eq... | | FUNCTION | minusBusinessDays | [LocalDate\(LocalDate, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#minusBusinessDays(java.time.LocalDate,int)) | Subtracts a specified number of business days from an input date. Subtracting negative days is eq... | | FUNCTION | minusBusinessDays | [String\(String, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#minusBusinessDays(java.lang.String,int)) | Subtracts a specified number of business days from an input date. Subtracting negative days is eq... | | FUNCTION | minusBusinessDays | [ZonedDateTime\(ZonedDateTime, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#minusBusinessDays(java.time.ZonedDateTime,int)) | Subtracts a specified number of business days from an input time. Subtracting negative days is eq... | | FUNCTION | minusDays | [Instant\(Instant, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#minusDays(java.time.Instant,int)) | Subtracts a specified number of days to an input time. Subtracting negative days is equivalent to... | | FUNCTION | minusDays | [LocalDate\(LocalDate, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#minusDays(java.time.LocalDate,int)) | Subtracts a specified number of days to an input date. Subtracting negative days is equivalent to... | | FUNCTION | minusDays | [LocalDate\(LocalDate, long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minusDays(java.time.LocalDate,long)) | Subtracts days from a LocalDate. | | FUNCTION | minusDays | [LocalDateTime\(LocalDateTime, long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minusDays(java.time.LocalDateTime,long)) | Subtracts days from a LocalDate. | | FUNCTION | minusDays | [String\(String, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#minusDays(java.lang.String,int)) | Subtracts a specified number of days to an input date. Subtracting negative days is equivalent to... | | FUNCTION | minusDays | [ZonedDateTime\(ZonedDateTime, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#minusDays(java.time.ZonedDateTime,int)) | Subtracts a specified number of days to an input time. Subtracting negative days is equivalent to... | | FUNCTION | minusNonBusinessDays | [Instant\(Instant, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#minusNonBusinessDays(java.time.Instant,int)) | Subtracts a specified number of non-business days to an input time. Subtracting negative days is ... | | FUNCTION | minusNonBusinessDays | [LocalDate\(LocalDate, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#minusNonBusinessDays(java.time.LocalDate,int)) | Subtracts a specified number of non-business days to an input date. Subtracting negative days is ... | | FUNCTION | minusNonBusinessDays | [String\(String, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#minusNonBusinessDays(java.lang.String,int)) | Subtracts a specified number of non-business days to an input date. Subtracting negative days is ... | | FUNCTION | minusNonBusinessDays | [ZonedDateTime\(ZonedDateTime, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#minusNonBusinessDays(java.time.ZonedDateTime,int)) | Subtracts a specified number of non-business days to an input time. Subtracting negative days is ... | | FUNCTION | minuteOfDay | [int\(Instant, ZoneId, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minuteOfDay(java.time.Instant,java.time.ZoneId,boolean)) | Returns the number of minutes that have elapsed since the start of the day. | | FUNCTION | minuteOfDay | [int\(LocalDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minuteOfDay(java.time.LocalDateTime)) | Returns the number of minutes that have elapsed since the start of the day. | | FUNCTION | minuteOfDay | [int\(LocalTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minuteOfDay(java.time.LocalTime)) | Returns the number of minutes that have elapsed since the start of the day. | | FUNCTION | minuteOfDay | [int\(ZonedDateTime, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minuteOfDay(java.time.ZonedDateTime,boolean)) | Returns the number of minutes that have elapsed since the start of the day. | | FUNCTION | minuteOfHour | [int\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minuteOfHour(java.time.Instant,java.time.ZoneId)) | Returns the number of minutes that have elapsed since the top of the hour. | | FUNCTION | minuteOfHour | [int\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#minuteOfHour(java.time.ZonedDateTime)) | Returns the number of minutes that have elapsed since the top of the hour. | | FUNCTION | monthOfYear | [int\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#monthOfYear(java.time.Instant,java.time.ZoneId)) | Returns a 1-based int value of the month of the year (Julian date) for an Instant in the specifie... | | FUNCTION | monthOfYear | [int\(LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#monthOfYear(java.time.LocalDate)) | Returns a 1-based int value of the month of the year (Julian date) for a LocalDate. January is 1,... | | FUNCTION | monthOfYear | [int\(LocalDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#monthOfYear(java.time.LocalDateTime)) | Returns a 1-based int value of the month of the year (Julian date) for a LocalDateTime. January i... | | FUNCTION | monthOfYear | [int\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#monthOfYear(java.time.ZonedDateTime)) | Returns a 1-based int value of the month of the year (Julian date) for a ZonedDateTime in the spe... | | FUNCTION | multiply | [Duration\(Duration, long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#multiply(java.time.Duration,long)) | Multiply a duration by a scalar. | | FUNCTION | multiply | [Duration\(long, Duration\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#multiply(long,java.time.Duration)) | Multiply a duration by a scalar. | | FUNCTION | multiply | [Period\(Period, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#multiply(java.time.Period,int)) | Multiply a period by a scalar. | | FUNCTION | multiply | [Period\(int, Period\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#multiply(int,java.time.Period)) | Multiply a period by a scalar. | | FUNCTION | nanosOfDay | [long\(Instant, ZoneId, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#nanosOfDay(java.time.Instant,java.time.ZoneId,boolean)) | Returns the number of nanoseconds that have elapsed since the start of the day. | | FUNCTION | nanosOfDay | [long\(LocalDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#nanosOfDay(java.time.LocalDateTime)) | Returns the number of nanoseconds that have elapsed since the start of the day. | | FUNCTION | nanosOfDay | [long\(LocalTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#nanosOfDay(java.time.LocalTime)) | Returns the number of nanoseconds that have elapsed since the start of the day. | | FUNCTION | nanosOfDay | [long\(ZonedDateTime, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#nanosOfDay(java.time.ZonedDateTime,boolean)) | Returns the number of nanoseconds that have elapsed since the start of the day. | | FUNCTION | nanosOfDayToLocalTime | [LocalTime\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#nanosOfDayToLocalTime(long)) | Converts the number of nanoseconds from midnight to a LocalTime. | | FUNCTION | nanosOfMilli | [int\(Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#nanosOfMilli(java.time.Instant)) | Returns the number of nanoseconds that have elapsed since the top of the millisecond. | | FUNCTION | nanosOfMilli | [int\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#nanosOfMilli(java.time.ZonedDateTime)) | Returns the number of nanoseconds that have elapsed since the top of the millisecond. | | FUNCTION | nanosOfSecond | [long\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#nanosOfSecond(java.time.Instant,java.time.ZoneId)) | Returns the number of nanoseconds that have elapsed since the top of the second. | | FUNCTION | nanosOfSecond | [long\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#nanosOfSecond(java.time.ZonedDateTime)) | Returns the number of nanoseconds that have elapsed since the top of the second. | | FUNCTION | nanosToMicros | [long\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#nanosToMicros(long)) | Converts nanoseconds to microseconds. | | FUNCTION | nanosToMillis | [long\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#nanosToMillis(long)) | Converts nanoseconds to milliseconds. | | FUNCTION | nanosToSeconds | [long\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#nanosToSeconds(long)) | Converts nanoseconds to seconds. | | FUNCTION | nonBusinessDates | [LocalDate\[\]\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#nonBusinessDates(java.time.Instant,java.time.Instant)) | Returns the non-business dates in a given range. | | FUNCTION | nonBusinessDates | [LocalDate\[\]\(Instant, Instant, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#nonBusinessDates(java.time.Instant,java.time.Instant,boolean,boolean)) | Returns the non-business dates in a given range. | | FUNCTION | nonBusinessDates | [LocalDate\[\]\(LocalDate, LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#nonBusinessDates(java.time.LocalDate,java.time.LocalDate)) | Returns the non-business dates in a given range. | | FUNCTION | nonBusinessDates | [LocalDate\[\]\(LocalDate, LocalDate, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#nonBusinessDates(java.time.LocalDate,java.time.LocalDate,boolean,boolean)) | Returns the non-business dates in a given range. | | FUNCTION | nonBusinessDates | [LocalDate\[\]\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#nonBusinessDates(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the non-business dates in a given range. | | FUNCTION | nonBusinessDates | [LocalDate\[\]\(ZonedDateTime, ZonedDateTime, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#nonBusinessDates(java.time.ZonedDateTime,java.time.ZonedDateTime,boolean,boolean)) | Returns the non-business dates in a given range. | | FUNCTION | nonBusinessDates | [String\[\]\(String, String\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#nonBusinessDates(java.lang.String,java.lang.String)) | Returns the non-business dates in a given range. | | FUNCTION | nonBusinessDates | [String\[\]\(String, String, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#nonBusinessDates(java.lang.String,java.lang.String,boolean,boolean)) | Returns the non-business dates in a given range. | | FUNCTION | now | [Instant\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#now()) | Provides the current instant with nanosecond resolution according to the current clock. Under mos... | | FUNCTION | nowMillisResolution | [Instant\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#nowMillisResolution()) | Provides the current instant with millisecond resolution according to the current clock. Under mo... | | FUNCTION | nowSystem | [Instant\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#nowSystem()) | Provides the current instant with nanosecond resolution according to the system clock. Note that ... | | FUNCTION | nowSystemMillisResolution | [Instant\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#nowSystemMillisResolution()) | Provides the current instant with millisecond resolution according to the system clock. Note that... | | FUNCTION | numberBusinessDates | [int\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberBusinessDates(java.time.Instant,java.time.Instant)) | Returns the number of business dates in a given range. | | FUNCTION | numberBusinessDates | [int\(Instant, Instant, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberBusinessDates(java.time.Instant,java.time.Instant,boolean,boolean)) | Returns the number of business dates in a given range. | | FUNCTION | numberBusinessDates | [int\(LocalDate, LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberBusinessDates(java.time.LocalDate,java.time.LocalDate)) | Returns the number of business dates in a given range. | | FUNCTION | numberBusinessDates | [int\(LocalDate, LocalDate, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberBusinessDates(java.time.LocalDate,java.time.LocalDate,boolean,boolean)) | Returns the number of business dates in a given range. | | FUNCTION | numberBusinessDates | [int\(String, String\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberBusinessDates(java.lang.String,java.lang.String)) | Returns the number of business dates in a given range. | | FUNCTION | numberBusinessDates | [int\(String, String, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberBusinessDates(java.lang.String,java.lang.String,boolean,boolean)) | Returns the number of business dates in a given range. | | FUNCTION | numberBusinessDates | [int\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberBusinessDates(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the number of business dates in a given range. | | FUNCTION | numberBusinessDates | [int\(ZonedDateTime, ZonedDateTime, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberBusinessDates(java.time.ZonedDateTime,java.time.ZonedDateTime,boolean,boolean)) | Returns the number of business dates in a given range. | | FUNCTION | numberCalendarDates | [int\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberCalendarDates(java.time.Instant,java.time.Instant)) | Returns the number of dates in a given range. | | FUNCTION | numberCalendarDates | [int\(Instant, Instant, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberCalendarDates(java.time.Instant,java.time.Instant,boolean,boolean)) | Returns the number of dates in a given range. | | FUNCTION | numberCalendarDates | [int\(LocalDate, LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberCalendarDates(java.time.LocalDate,java.time.LocalDate)) | Returns the number of dates in a given range. | | FUNCTION | numberCalendarDates | [int\(LocalDate, LocalDate, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberCalendarDates(java.time.LocalDate,java.time.LocalDate,boolean,boolean)) | Returns the number of dates in a given range. | | FUNCTION | numberCalendarDates | [int\(String, String\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberCalendarDates(java.lang.String,java.lang.String)) | Returns the number of dates in a given range. | | FUNCTION | numberCalendarDates | [int\(String, String, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberCalendarDates(java.lang.String,java.lang.String,boolean,boolean)) | Returns the number of dates in a given range. | | FUNCTION | numberCalendarDates | [int\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberCalendarDates(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the number of dates in a given range. | | FUNCTION | numberCalendarDates | [int\(ZonedDateTime, ZonedDateTime, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberCalendarDates(java.time.ZonedDateTime,java.time.ZonedDateTime,boolean,boolean)) | Returns the number of dates in a given range. | | FUNCTION | numberNonBusinessDates | [int\(Instant, Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberNonBusinessDates(java.time.Instant,java.time.Instant)) | Returns the number of non-business dates in a given range. | | FUNCTION | numberNonBusinessDates | [int\(Instant, Instant, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberNonBusinessDates(java.time.Instant,java.time.Instant,boolean,boolean)) | Returns the number of non-business dates in a given range. | | FUNCTION | numberNonBusinessDates | [int\(LocalDate, LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberNonBusinessDates(java.time.LocalDate,java.time.LocalDate)) | Returns the number of non-business dates in a given range. | | FUNCTION | numberNonBusinessDates | [int\(LocalDate, LocalDate, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberNonBusinessDates(java.time.LocalDate,java.time.LocalDate,boolean,boolean)) | Returns the number of non-business dates in a given range. | | FUNCTION | numberNonBusinessDates | [int\(String, String\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberNonBusinessDates(java.lang.String,java.lang.String)) | Returns the number of non-business dates in a given range. | | FUNCTION | numberNonBusinessDates | [int\(String, String, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberNonBusinessDates(java.lang.String,java.lang.String,boolean,boolean)) | Returns the number of non-business dates in a given range. | | FUNCTION | numberNonBusinessDates | [int\(ZonedDateTime, ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberNonBusinessDates(java.time.ZonedDateTime,java.time.ZonedDateTime)) | Returns the number of non-business dates in a given range. | | FUNCTION | numberNonBusinessDates | [int\(ZonedDateTime, ZonedDateTime, boolean, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#numberNonBusinessDates(java.time.ZonedDateTime,java.time.ZonedDateTime,boolean,boolean)) | Returns the number of non-business dates in a given range. | | FUNCTION | parseDuration | [Duration\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseDuration(java.lang.String)) | Parses the string argument as a duration, which is a unit of time in terms of clock time (24-hour... | | FUNCTION | parseDurationNanos | [long\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseDurationNanos(java.lang.String)) | Parses the string argument as a time duration in nanoseconds. Time duration strings can be for... | | FUNCTION | parseDurationNanosQuiet | [long\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseDurationNanosQuiet(java.lang.String)) | Parses the string argument as a time duration in nanoseconds. Time duration strings can be for... | | FUNCTION | parseDurationQuiet | [Duration\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseDurationQuiet(java.lang.String)) | Parses the string argument as a duration, which is a unit of time in terms of clock time (24-hour... | | FUNCTION | parseEpochNanos | [long\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseEpochNanos(java.lang.String)) | Parses the string argument as nanoseconds since the Epoch. Date time strings are formatted acc... | | FUNCTION | parseEpochNanosQuiet | [long\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseEpochNanosQuiet(java.lang.String)) | Parses the string argument as a nanoseconds since the Epoch. Date time strings are formatted a... | | FUNCTION | parseInstant | [Instant\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseInstant(java.lang.String)) | Parses the string argument as an Instant. Date time strings are formatted according to the ISO... | | FUNCTION | parseInstantQuiet | [Instant\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseInstantQuiet(java.lang.String)) | Parses the string argument as an Instant. Date time strings are formatted according to the ISO... | | FUNCTION | parseLocalDate | [LocalDate\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseLocalDate(java.lang.String)) | Parses the string argument as a local date, which is a date without a time or time zone. Date ... | | FUNCTION | parseLocalDateQuiet | [LocalDate\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseLocalDateQuiet(java.lang.String)) | Parses the string argument as a local date, which is a date without a time or time zone. Date ... | | FUNCTION | parseLocalDateTime | [LocalDateTime\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseLocalDateTime(java.lang.String)) | Parses the string argument as a LocalDateTime. Date time strings are formatted according to th... | | FUNCTION | parseLocalDateTimeQuiet | [LocalDateTime\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseLocalDateTimeQuiet(java.lang.String)) | Parses the string argument as a LocalDateTime. Date time strings are formatted according to th... | | FUNCTION | parseLocalTime | [LocalTime\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseLocalTime(java.lang.String)) | Parses the string argument as a local time, which is the time that would be read from a clock and... | | FUNCTION | parseLocalTimeQuiet | [LocalTime\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseLocalTimeQuiet(java.lang.String)) | Parses the string argument as a local time, which is the time that would be read from a clock and... | | FUNCTION | parsePeriod | [Period\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parsePeriod(java.lang.String)) | Parses the string argument as a period, which is a unit of time in terms of calendar time (days, ... | | FUNCTION | parsePeriodQuiet | [Period\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parsePeriodQuiet(java.lang.String)) | Parses the string argument as a period, which is a unit of time in terms of calendar time (days, ... | | FUNCTION | parseTimePrecision | [ChronoField\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseTimePrecision(java.lang.String)) | Returns a ChronoField indicating the level of precision in a time, datetime, or period nanos stri... | | FUNCTION | parseTimePrecisionQuiet | [ChronoField\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseTimePrecisionQuiet(java.lang.String)) | Returns a ChronoField indicating the level of precision in a time or datetime string. | | FUNCTION | parseTimeZone | [ZoneId\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseTimeZone(java.lang.String)) | Parses the string argument as a time zone. | | FUNCTION | parseTimeZoneQuiet | [ZoneId\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseTimeZoneQuiet(java.lang.String)) | Parses the string argument as a time zone. | | FUNCTION | parseZonedDateTime | [ZonedDateTime\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseZonedDateTime(java.lang.String)) | Parses the string argument as a ZonedDateTime. Date time strings are formatted according to th... | | FUNCTION | parseZonedDateTimeQuiet | [ZonedDateTime\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#parseZonedDateTimeQuiet(java.lang.String)) | Parses the string argument as a ZonedDateTime. Date time strings are formatted according to th... | | FUNCTION | pastBusinessDate | [LocalDate\(int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#pastBusinessDate(int)) | Subtracts a specified number of business days from the current date. Subtracting negative days is... | | FUNCTION | pastDate | [LocalDate\(int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#pastDate(int)) | Subtracts a specified number of days from the current date. Subtracting negative days is equivale... | | FUNCTION | pastNonBusinessDate | [LocalDate\(int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#pastNonBusinessDate(int)) | Subtracts a specified number of non-business days to the current date. Subtracting negative days ... | | FUNCTION | plus | [Duration\(Duration, Duration\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#plus(java.time.Duration,java.time.Duration)) | Adds two durations. | | FUNCTION | plus | [Instant\(Instant, Duration\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#plus(java.time.Instant,java.time.Duration)) | Adds a time period to an Instant. | | FUNCTION | plus | [Instant\(Instant, Period\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#plus(java.time.Instant,java.time.Period)) | Adds a time period to an Instant. | | FUNCTION | plus | [Instant\(Instant, long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#plus(java.time.Instant,long)) | Adds nanoseconds to an Instant. | | FUNCTION | plus | [LocalDate\(LocalDate, Period\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#plus(java.time.LocalDate,java.time.Period)) | Adds a time period to a LocalDate. | | FUNCTION | plus | [LocalDateTime\(LocalDateTime, Period\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#plus(java.time.LocalDateTime,java.time.Period)) | Adds a time period to a LocalDateTime. | | FUNCTION | plus | [Period\(Period, Period\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#plus(java.time.Period,java.time.Period)) | Adds two periods. | | FUNCTION | plus | [ZonedDateTime\(ZonedDateTime, Duration\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#plus(java.time.ZonedDateTime,java.time.Duration)) | Adds a time period to a ZonedDateTime. | | FUNCTION | plus | [ZonedDateTime\(ZonedDateTime, Period\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#plus(java.time.ZonedDateTime,java.time.Period)) | Adds a time period to a ZonedDateTime. | | FUNCTION | plus | [ZonedDateTime\(ZonedDateTime, long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#plus(java.time.ZonedDateTime,long)) | Adds nanoseconds to a ZonedDateTime. | | FUNCTION | plusBusinessDays | [Instant\(Instant, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#plusBusinessDays(java.time.Instant,int)) | Adds a specified number of business days to an input time. Adding negative days is equivalent to ... | | FUNCTION | plusBusinessDays | [LocalDate\(LocalDate, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#plusBusinessDays(java.time.LocalDate,int)) | Adds a specified number of business days to an input date. Adding negative days is equivalent to ... | | FUNCTION | plusBusinessDays | [String\(String, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#plusBusinessDays(java.lang.String,int)) | Adds a specified number of business days to an input date. Adding negative days is equivalent to ... | | FUNCTION | plusBusinessDays | [ZonedDateTime\(ZonedDateTime, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#plusBusinessDays(java.time.ZonedDateTime,int)) | Adds a specified number of business days to an input time. Adding negative days is equivalent to ... | | FUNCTION | plusDays | [Instant\(Instant, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#plusDays(java.time.Instant,int)) | Adds a specified number of days to an input time. Adding negative days is equivalent to subtracti... | | FUNCTION | plusDays | [LocalDate\(LocalDate, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#plusDays(java.time.LocalDate,int)) | Adds a specified number of days to an input date. Adding negative days is equivalent to subtracti... | | FUNCTION | plusDays | [LocalDate\(LocalDate, long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#plusDays(java.time.LocalDate,long)) | Adds days to a LocalDate. | | FUNCTION | plusDays | [LocalDateTime\(LocalDateTime, long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#plusDays(java.time.LocalDateTime,long)) | Adds days to a LocalDate. | | FUNCTION | plusDays | [String\(String, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#plusDays(java.lang.String,int)) | Adds a specified number of days to an input date. Adding negative days is equivalent to subtracti... | | FUNCTION | plusDays | [ZonedDateTime\(ZonedDateTime, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#plusDays(java.time.ZonedDateTime,int)) | Adds a specified number of days to an input time. Adding negative days is equivalent to subtracti... | | FUNCTION | plusNonBusinessDays | [Instant\(Instant, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#plusNonBusinessDays(java.time.Instant,int)) | Adds a specified number of non-business days to an input time. Adding negative days is equivalent... | | FUNCTION | plusNonBusinessDays | [LocalDate\(LocalDate, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#plusNonBusinessDays(java.time.LocalDate,int)) | Adds a specified number of non-business days to an input date. Adding negative days is equivalent... | | FUNCTION | plusNonBusinessDays | [String\(String, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#plusNonBusinessDays(java.lang.String,int)) | Adds a specified number of non-business days to an input date. Adding negative days is equivalent... | | FUNCTION | plusNonBusinessDays | [ZonedDateTime\(ZonedDateTime, int\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#plusNonBusinessDays(java.time.ZonedDateTime,int)) | Adds a specified number of non-business days to an input time. Adding negative days is equivalent... | | FUNCTION | removeCalendar | [void\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/Calendars.html#removeCalendar(java.lang.String)) | Removes a calendar from the collection. | | FUNCTION | secondOfDay | [int\(Instant, ZoneId, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#secondOfDay(java.time.Instant,java.time.ZoneId,boolean)) | Returns the number of seconds that have elapsed since the start of the day. | | FUNCTION | secondOfDay | [int\(LocalDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#secondOfDay(java.time.LocalDateTime)) | Returns the number of seconds that have elapsed since the start of the day. | | FUNCTION | secondOfDay | [int\(LocalTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#secondOfDay(java.time.LocalTime)) | Returns the number of seconds that have elapsed since the start of the day. | | FUNCTION | secondOfDay | [int\(ZonedDateTime, boolean\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#secondOfDay(java.time.ZonedDateTime,boolean)) | Returns the number of seconds that have elapsed since the start of the day. | | FUNCTION | secondOfMinute | [int\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#secondOfMinute(java.time.Instant,java.time.ZoneId)) | Returns the number of seconds that have elapsed since the top of the minute. | | FUNCTION | secondOfMinute | [int\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#secondOfMinute(java.time.ZonedDateTime)) | Returns the number of seconds that have elapsed since the top of the minute. | | FUNCTION | secondsToMicros | [long\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#secondsToMicros(long)) | Converts seconds to microseconds. | | FUNCTION | secondsToMillis | [long\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#secondsToMillis(long)) | Converts seconds to milliseconds. | | FUNCTION | secondsToNanos | [long\(long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#secondsToNanos(long)) | Converts seconds to nanoseconds. | | FUNCTION | setCalendar | [void\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/Calendars.html#setCalendar(java.lang.String)) | Sets the default calendar by name. The calendar must already be present in the collection. | | FUNCTION | setClock | [void\(Clock\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#setClock(io.deephaven.base.clock.Clock)) | Set the clock used to compute the current time. This allows a custom clock to be used instead of ... | | FUNCTION | standardBusinessDay | [CalendarDay\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#standardBusinessDay()) | Business day schedule for a standard business day. | | FUNCTION | standardBusinessDuration | [Duration\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#standardBusinessDuration()) | Length of a standard business day. | | FUNCTION | standardBusinessNanos | [long\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#standardBusinessNanos()) | Length of a standard business day in nanoseconds. | | FUNCTION | timeZone | [ZoneId\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#timeZone()) | Gets the system default time zone. | | FUNCTION | timeZone | [ZoneId\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#timeZone(java.lang.String)) | Gets the time zone for a time zone name. | | FUNCTION | timeZoneAliasAdd | [void\(String, String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#timeZoneAliasAdd(java.lang.String,java.lang.String)) | Adds a new time zone alias. | | FUNCTION | timeZoneAliasRm | [boolean\(String\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#timeZoneAliasRm(java.lang.String)) | Removes a time zone alias. | | FUNCTION | toDate | [Date\(Instant\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toDate(java.time.Instant)) | Converts an Instant to a Date. instant will be truncated to millisecond resolution. | | FUNCTION | toDate | [Date\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toDate(java.time.ZonedDateTime)) | Converts a ZonedDateTime to a Date. dateTime will be truncated to millisecond resolution. | | FUNCTION | toExcelTime | [double\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toExcelTime(java.time.Instant,java.time.ZoneId)) | Converts an Instant to an Excel time represented as a double. | | FUNCTION | toExcelTime | [double\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toExcelTime(java.time.ZonedDateTime)) | Converts a ZonedDateTime to an Excel time represented as a double. | | FUNCTION | toInstant | [Instant\(Date\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toInstant(java.util.Date)) | Converts a Date to an Instant. | | FUNCTION | toInstant | [Instant\(LocalDate, LocalTime, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toInstant(java.time.LocalDate,java.time.LocalTime,java.time.ZoneId)) | Converts a LocalDate, LocalTime, and ZoneId to an Instant. | | FUNCTION | toInstant | [Instant\(LocalDateTime, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toInstant(java.time.LocalDateTime,java.time.ZoneId)) | Converts a LocalDateTime and ZoneId to an Instant. | | FUNCTION | toInstant | [Instant\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toInstant(java.time.ZonedDateTime)) | Converts a ZonedDateTime to an Instant. | | FUNCTION | toLocalDate | [LocalDate\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toLocalDate(java.time.Instant,java.time.ZoneId)) | Converts an Instant to a LocalDate with the specified ZoneId. | | FUNCTION | toLocalDate | [LocalDate\(LocalDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toLocalDate(java.time.LocalDateTime)) | Gets the LocalDate portion of a LocalDateTime. | | FUNCTION | toLocalDate | [LocalDate\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toLocalDate(java.time.ZonedDateTime)) | Gets the LocalDate portion of a ZonedDateTime. | | FUNCTION | toLocalDateTime | [LocalDateTime\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toLocalDateTime(java.time.Instant,java.time.ZoneId)) | Converts an Instant to a LocalDateTime with the specified ZoneId. | | FUNCTION | toLocalDateTime | [LocalDateTime\(LocalDate, LocalTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toLocalDateTime(java.time.LocalDate,java.time.LocalTime)) | Converts a LocalDate and LocalTime pair to a LocalDateTime. | | FUNCTION | toLocalDateTime | [LocalDateTime\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toLocalDateTime(java.time.ZonedDateTime)) | Gets the LocalDateTime portion of a ZonedDateTime. | | FUNCTION | toLocalTime | [LocalTime\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toLocalTime(java.time.Instant,java.time.ZoneId)) | Converts an Instant to a LocalTime with the specified ZoneId. | | FUNCTION | toLocalTime | [LocalTime\(LocalDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toLocalTime(java.time.LocalDateTime)) | Gets the LocalTime portion of a LocalDateTime. | | FUNCTION | toLocalTime | [LocalTime\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toLocalTime(java.time.ZonedDateTime)) | Gets the LocalTime portion of a ZonedDateTime. | | FUNCTION | toZonedDateTime | [ZonedDateTime\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toZonedDateTime(java.time.Instant,java.time.ZoneId)) | Converts an Instant to a ZonedDateTime. | | FUNCTION | toZonedDateTime | [ZonedDateTime\(LocalDate, LocalTime, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toZonedDateTime(java.time.LocalDate,java.time.LocalTime,java.time.ZoneId)) | Converts a LocalDate, LocalTime, and ZoneId to a ZonedDateTime. | | FUNCTION | toZonedDateTime | [ZonedDateTime\(LocalDateTime, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#toZonedDateTime(java.time.LocalDateTime,java.time.ZoneId)) | Converts a LocalDateTime and ZoneId to a ZonedDateTime. | | FUNCTION | today | [String\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#today()) | Provides the current date string according to the current clock and the default time zone. Under... | | FUNCTION | today | [String\(ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#today(java.time.ZoneId)) | Provides the current date string according to the current clock. Under most circumstances, this ... | | FUNCTION | todayLocalDate | [LocalDate\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#todayLocalDate()) | Provides the current date according to the current clock and the default time zone. Under most c... | | FUNCTION | todayLocalDate | [LocalDate\(ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#todayLocalDate(java.time.ZoneId)) | Provides the current date according to the current clock. Under most circumstances, this method ... | | FUNCTION | upperBin | [Instant\(Instant, Duration\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#upperBin(java.time.Instant,java.time.Duration)) | Returns an Instant value, which is at the ending (upper) end of a time range defined by the inter... | | FUNCTION | upperBin | [Instant\(Instant, Duration, Duration\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#upperBin(java.time.Instant,java.time.Duration,java.time.Duration)) | Returns an Instant value, which is at the ending (upper) end of a time range defined by the inter... | | FUNCTION | upperBin | [Instant\(Instant, long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#upperBin(java.time.Instant,long)) | Returns an Instant value, which is at the ending (upper) end of a time range defined by the inter... | | FUNCTION | upperBin | [Instant\(Instant, long, long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#upperBin(java.time.Instant,long,long)) | Returns an Instant value, which is at the ending (upper) end of a time range defined by the inter... | | FUNCTION | upperBin | [ZonedDateTime\(ZonedDateTime, Duration\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#upperBin(java.time.ZonedDateTime,java.time.Duration)) | Returns a ZonedDateTime value, which is at the ending (upper) end of a time range defined by the ... | | FUNCTION | upperBin | [ZonedDateTime\(ZonedDateTime, Duration, Duration\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#upperBin(java.time.ZonedDateTime,java.time.Duration,java.time.Duration)) | Returns a ZonedDateTime value, which is at the ending (upper) end of a time range defined by the ... | | FUNCTION | upperBin | [ZonedDateTime\(ZonedDateTime, long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#upperBin(java.time.ZonedDateTime,long)) | Returns a ZonedDateTime value, which is at the ending (upper) end of a time range defined by the ... | | FUNCTION | upperBin | [ZonedDateTime\(ZonedDateTime, long, long\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#upperBin(java.time.ZonedDateTime,long,long)) | Returns a ZonedDateTime value, which is at the ending (upper) end of a time range defined by the ... | | FUNCTION | weekendDays | [Set\(\)](https://deephaven.io/core/javadoc/io/deephaven/time/calendar/StaticCalendarMethods.html#weekendDays()) | Returns the days that make up a weekend. | | FUNCTION | year | [int\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#year(java.time.Instant,java.time.ZoneId)) | Returns the year for an Instant in the specified time zone. | | FUNCTION | year | [int\(LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#year(java.time.LocalDate)) | Returns the year for a LocalDate. | | FUNCTION | year | [int\(LocalDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#year(java.time.LocalDateTime)) | Returns the year for a LocalDateTime. | | FUNCTION | year | [int\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#year(java.time.ZonedDateTime)) | Returns the year for a ZonedDateTime in the specified time zone. | | FUNCTION | yearOfCentury | [int\(Instant, ZoneId\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#yearOfCentury(java.time.Instant,java.time.ZoneId)) | Returns the year of the century (two-digit year) for an Instant in the specified time zone. | | FUNCTION | yearOfCentury | [int\(LocalDate\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#yearOfCentury(java.time.LocalDate)) | Returns the year of the century (two-digit year) for a LocalDate. | | FUNCTION | yearOfCentury | [int\(LocalDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#yearOfCentury(java.time.LocalDateTime)) | Returns the year of the century (two-digit year) for a LocalDateTime. | | FUNCTION | yearOfCentury | [int\(ZonedDateTime\)](https://deephaven.io/core/javadoc/io/deephaven/time/DateTimeUtils.html#yearOfCentury(java.time.ZonedDateTime)) | Returns the year of the century (two-digit year) for a ZonedDateTime in the specified time zone. | ## Related documentation - [Auto-imported functions](./index.md)