MS Access DateAdd() Function

Add two years to a specified date:

SELECT DateAdd("yyyy", 2, #22/11/2017#);

Definition and Usage

The DateAdd() function adds a time/date interval to a date and then returns the date.

DateAdd( interval, number, date)

Parameter	Description
interval	Required. The time/date interval to add. Can be one of the following values: yyyy = Year q = Quarter m = month y = Day of the year d = Day w = Weekday ww = Week h = hour n = Minute s = Second
number	Required. The number of interval to add to date. Can be positive (to get dates in the future) or negative (to get dates in the past)
date	Required. The date to which the interval should be added

Works in:	From Access 2000

Add one year to the current system date:

SELECT DateAdd("yyyy", 1, Date());

Add 6 months to the employees' birth date:

SELECT LastName, DateAdd("m", 6, BirthDate) FROM Employees;