TO_UNIX_TIMESTAMP

Converts a timestamp in a date/time format to a Unix timestamp format. A Unix timestamp represents the number of seconds that have elapsed since January 1, 1970, at 00:00:00 UTC.

Syntax

TO_UNIX_TIMESTAMP(<expr>)

Arguments

Arguments	Description
<expr>	Timestamp

For more information about the timestamp data type, see Date & Time.

Return Type

BIGINT

Examples

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

┌─────────────────────────────────────────────────┐
│ to_unix_timestamp('2023-11-12 09:38:18.165575') │
│                      UInt32                     │
├─────────────────────────────────────────────────┤
│                                      1699781898 │
└─────────────────────────────────────────────────┘