This SQL Server tutorial explains how to use the DAY function in SQL Server (Transact-SQL) with syntax and examples.
Description
In SQL Server (Transact-SQL), the DAY function returns the day of the month (a number from 1 to 31) given a date value.
Syntax
The syntax for the DAY function in SQL Server (Transact-SQL) is:
DAY( date_value )
Parameters or Arguments
date_value
The date from which to extract the day of the month.
Note
- See also the DATEPART and DATENAME functions.
Applies To
The DAY functions can be used in the following versions of SQL Server (Transact-SQL):
- SQL Server 2017, SQL Server 2016, SQL Server 2014, SQL Server 2012, SQL Server 2008 R2, SQL Server 2008, SQL Server 2005
Example
Let’s look at some SQL Server DAY function examples and explore how to use the DAY functions in SQL Server (Transact-SQL).
For example:
SELECT DAY('2014/04/28');
Result: 28
SELECT DAY('2014/03/31 10:05');
Result: 31
SELECT DAY('2014/04/01 10:05:18.621');
Result: 1