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Version: Latest-3.3

day

Description​

Extracts the day part of a date or datetime expression and returns a value that ranges from 1 to 31.

The date parameter must be of the DATE or DATETIME type.

Syntax​

INT DAY(DATETIME|DATE date)

Examples​

MySQL > select day('1987-01-31');
+----------------------------+
| day('1987-01-31 00:00:00') |
+----------------------------+
|                         31 |
+----------------------------+

MySQL > select day('1987-01-31 20:10:59');
+----------------------------+
| day('1987-01-31 20:10:59') |
+----------------------------+
|                         31 |
+----------------------------+

keywords​

DAY, day