A timestamp, range is 1970-01-01 00:00:01 UTC to 2038-01-19 03:14:07 UTC on 32-bit platforms (MariaDB 11.3 and earlier), and up to 2106-02-07 06:28:15 UTC on 64-bit platforms (MariaDB 11.5 and later), stored as the number of seconds since the epoch (1970-01-01 00:00:00 UTC)