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Supported Dateparts

You can use the following dateparts as arguments to the following functions:

DatepartDescriptionNotes
epochEpochNot supported for DATEADD.
millennia, mil, milsMillennium
centuries, century, cent, cCentury
decades, decade, decsDecade
years, year, yrs, yr, yYear
quarter, qtrQuarter
months, month, mons, monMonthRepresented as 1 through 12 with 1 being January.Returns in sentence case for DATENAME (for example, January).

weeks, week, wWeekReturns ISO 8601 week numbers, 1 to 53.
days, day, dDays
dowDay of WeekNot supported for DATEADD.Represented as 0 through 6 with 0 being Sunday.

Returns in sentence case for DATENAME (for example, Monday).

doyDay of YearNot supported for DATEADD.
isodowISO 8601 Day of WeekNot supported for DATEADD.
isoyearISO 8601 Day of Year
hours, hour, hrs, hr, hHours
minutes, minute, mins, min, mMinutes
seconds, second, secs, sec, sSeconds
useconds, usecond, usecs, usec, usMicroseconds
millisecon, mseconds, msecond, msecs, msec, msMilliseconds

Dateparts can be specified in uppercase or lowercase.

Parent topic:Datetime Functions