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This function is for BASIC compatibility. It is not available in pure JavaScript projects.



DateAdd returns the date which is obtained by adding a specified number of date intervals to a given date. The required parameter, interval, is a string expression that specifies the type of date interval to add: see table below. The required parameter, number, is any numeric expression that specifies the number of intervals to add.The required parameter, date, can be any expression that represents a date.

Interval Values

Value Description
yyyy Year
q Quarter
m Month
y Day of year
d Day
w Weekday
ww Week of year
h Hour
n Minute
s Second

Example (Basic)

Rem DateAdd Example
'DateAdd adds date intervals to a date
Print "+10 seconds:", DateAdd("s", 10, NOW)
Print "-1 year:", DateAdd("yyyy", -1, NOW)


+10 seconds:  8/18/98 10:52:54 PM
-1 year:      8/18/97 10:52:44 PM

Related Items

DateDiff, DatePart