hour

description

Syntax

INT HOUR(DATETIME date)

Returns hour information in the time type, ranging from 0,23

The parameter is Date or Datetime type

example

mysql> select hour('2018-12-31 23:59:59');
+-----------------------------+
| hour('2018-12-31 23:59:59') |
+-----------------------------+
|                          23 |
+-----------------------------+

keyword

HOUR