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SQL Server DATEADD() Function

❮ SQL Server Functions

Example

Add one year to a date, then return the date:

SELECT DATEADD(year, 1, '2017/08/25') AS DateAdd;
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Definition and Usage

The DATEADD() function returns a date after a certain time/date interval has been added.

Syntax

DATEADD(interval, number, date)

Parameter Values

Parameter Description
interval Required. The time/date part to return. Can be one of the following values:
  • year, yyyy, yy = Year
  • quarter, qq, q = Quarter
  • month, mm, m = month
  • dayofyear = Day of the year
  • day, dy, y = Day
  • week, ww, wk = Week
  • weekday, dw, w = Weekday
  • hour, hh = hour
  • minute, mi, n = Minute
  • second, ss, s = Second
  • millisecond, ms = Millisecond
number Required. The number of intervals to use
date Required. The date to which the interval should be added

Technical Details

Works in: SQL Server 2014, SQL Server 2012, SQL Server 2008 R2, SQL Server 2008, SQL Server 2005

More Examples

Example

Add two months to a date, then return the date:

SELECT DATEADD(month, 2, '2017/08/25') AS DateAdd;
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Example

Subtract two months from a date, then return the date:

SELECT DATEADD(month, -2, '2017/08/25') AS DateAdd;
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Example

Add 18 years to the date in the BirthDate column, then return the date:

SELECT LastName, BirthDate, DATEADD(year, 18, BirthDate) AS DateAdd FROM Employees;
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❮ SQL Server Functions