current_time( 'mysql' ) returns local site time: 2019-06-19 21:03:44
current_time( 'mysql', 1 ) returns GMT: 2019-06-20 04:03:44
current_time( 'timestamp' ) returns local site time: 2019-06-19 21:03:44current_time( 'timestamp', 1 ) returns GMT: 2019-06-20 04:03:44
TIME NOW : SYSTEM
