DateAdd

Table of Contents



Adds offset intervals to a date/time value and returns the new date/time. Use a negative offset to subtract. Interval names are not case-sensitive.

String DateAdd(String dateTime, String interval, Numeric offset)

Interval Aliases
Year yy, yyyy
Quarter qq, q
Month mm, m
Week ww, wk
Weekday dw (Monday to Friday)
Day dy
DayOfYear
Hour hh
Minute mi
Second s
Millisecond ms

Result format

The result uses the server's default date/time format, which depends on its culture settings. Wrap DateAdd in FormatDateTime for a predictable format.


round-pushpin Adds one month to January 31st, 2024 (returns 2024-02-29).
SELECT FormatDateTime(DateAdd('2024-01-31', 'Month', 1), 'yyyy-MM-dd') as Result FROM Single

round-pushpin Subtracts ten days from the current UTC date.
SELECT FormatDateTime(DateAdd(DateTimeUTC(), 'Day', -10), 'yyyy/MM/dd hh:mm:ss tt') as Result FROM Single