DAY (Transact-SQL)

Returns an integer representing the day datepart of the specified date.

Syntax

DAY ( date )

int

This function is equivalent to DATEPART(**dd,**date).

The following example returns the number of the day from the date 03/12/1998.

SELECT DAY('03/12/1998') AS 'Day Number';
GO

Here is the result set.

Day Number 
------------ 
12

In the following example, the date is specified as a number. The Microsoft SQL Server 2005 Database Engine interprets 0 as January 1, 1900.

SELECT MONTH(0), DAY(0), YEAR(0)

Here is the result set.

----- ------ ------
1     1      1900