current_time( 'mysql' ) returns local site time: 2021-02-27 13:38:07
current_time( 'mysql', 1 ) returns GMT: 2021-02-27 21:38:07
current_time( 'timestamp' ) returns local site time: 2021-02-27 13:38:07current_time( 'timestamp', 1 ) returns GMT: 2021-02-27 21:38:07

TIME NOW : SYSTEM