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TO_START_OF_HOUR

Rounds down a date with time (timestamp/datetime) to the start of the hour.

Syntax

TO_START_OF_HOUR(<expr>)

Arguments

ArgumentsDescription
<expr>timestamp

Return Type

TIMESTAMP, returns date in “YYYY-MM-DD hh:mm:ss.ffffff” format.

Examples

SELECT
to_start_of_hour('2023-11-12 09:38:18.165575');

┌────────────────────────────────────────────────┐
│ to_start_of_hour('2023-11-12 09:38:18.165575')
├────────────────────────────────────────────────┤
2023-11-12 09:00:00
└────────────────────────────────────────────────┘
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