current_time( 'mysql' ) returns local site time: 2021-07-29 11:45:16
current_time( 'mysql', 1 ) returns GMT: 2021-07-29 18:45:16
current_time( 'timestamp' ) returns local site time: 2021-07-29 11:45:16current_time( 'timestamp', 1 ) returns GMT: 2021-07-29 18:45:16

TIME NOW : SYSTEM