Functions Language

DateAdd

The DateAdd() function adds an interval to a part of a date.

Related Functions: DatePart

Syntax


Dateadd (Part, Interval, Date)

Part

The date part to add. Possible values:

“w” or “week” (week)

“d” or “day” (day)

“m” or “month” (month)

“y” or “year” (year)

Interval A numerical value that specifies how many date parts to add. A negative integer will subtract date parts.
Date Any date

Examples


Description Function Output
Add a year to a date Dateadd(“y”, 1, “3 January 2015”) 2016/01/03 12:00:00 AM
Add two weeks to a date Dateadd(“week”, 2, “3 March 2010”) 2010/03/17 12:00:00 AM
Subtract a day from a date Dateadd(“d”, -1, “9 August 2014”) 2014/08/08 12:00:00 AM
Add three months to a date Dateadd(“month”, 3, “2015/10/01”) 2016/01/01 12:00:00 AM