HOUR

Returns the hour portion of the specified date as an integer, where 0 is 00:00 to 00:59.

Behavior type

• Immutable if thespecified date is a TIMESTAMP

• Stable if the specified date is aTIMESTAMPTZ

Syntax

HOUR( date )

Parameters

date

The date to process, one of the following data types:

• VARCHAR
• DATE
• TIMESTAMP
• TIMESTAMPTZ

• INTERVAL

Examples

=> SELECT HOUR (TIMESTAMP 'sep 22, 2011 12:34');
 HOUR
------
   12
(1 row)
=> SELECT HOUR (INTERVAL '35 12:34');
 HOUR
------
   12
(1 row)
=> SELECT HOUR ('12:34');
 HOUR
------
   12
(1 row)