MySQL: DAYOFWEEK Function
This MySQL tutorial explains how to use the MySQL DAYOFWEEK function with syntax and examples.
Description
The MySQL DAYOFWEEK function returns the weekday index for a date value.
Syntax
The syntax for the DAYOFWEEK function in MySQL is:
DAYOFWEEK( date_value )
Parameters or Arguments
- date_value
- The date or datetime value from which to extract the day of the week.
Note
- The DAYOFWEEK function returns the weekday index where 1=Sunday, 2=Monday, 3=Tuesday, 4=Wednesday, 5=Thursday, 6=Friday, 7=Saturday.
Applies To
The DAYOFWEEK function can be used in the following versions of MySQL:
- MySQL 5.7, MySQL 5.6, MySQL 5.5, MySQL 5.1, MySQL 5.0, MySQL 4.1, MySQL 4.0, MySQL 3.23
Example
Let's look at some MySQL DAYOFWEEK function examples and explore how to use the DAYOFWEEK function in MySQL.
For example:
mysql> SELECT DAYOFWEEK('2014-01-27'); Result: 2 mysql> SELECT DAYOFWEEK('2014-01-28'); Result: 3 mysql> SELECT DAYOFWEEK('2014-01-29'); Result: 4
This last DAYOFWEEK example would display the weekday index for the current system date (current system date is returned by the CURDATE function).
mysql> SELECT DAYOFWEEK(CURDATE());
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