HOURS_DIFF

Overview

Returns the number of hours between two timestamps. Result = first argument - second argument (truncated toward zero).

Syntax

HOURS_DIFF(<end>, <start>)

Parameters

• <end>: DATE or TIMESTAMP type, the minuend.
• <start>: DATE or TIMESTAMP type, the subtrahend.

Returns NULL if either argument is NULL.

Examples

SELECT hours_diff('2024-01-01 23:00:00', '2024-01-01 00:00:00'); -- 23 SELECT hours_diff('2024-01-01 00:00:00', '2024-01-01 23:00:00'); -- -23 SELECT hours_diff('2024-01-02', '2024-01-01'); -- 24 SELECT hours_diff(NULL, '2024-01-01'); -- NULL

Related Documentation

• DATEDIFF — general date difference function supporting multiple time units
• DAYS_DIFF, MINUTES_DIFF, SECONDS_DIFF