mysql> select dayofweek(curdate())-1; +------------------------+ | dayofweek(curdate())-1 | +------------------------+ | 0 | +------------------------+ 1 row in set (0.00 sec)
mysql> select dayofweek(curdate())-1; +------------------------+ | dayofweek(curdate())-1 | +------------------------+ | 0 | +------------------------+ 1 row in set (0.00 sec)