DAYOFWEEK( ) returns values from 1 to 7, corresponding to Sunday through Saturday.
mysql>
mysql>
mysql> CREATE TABLE date_val
-> (
-> d DATE
-> );
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql> INSERT INTO date_val (d) VALUES('1864-02-28');
Query OK, 1 row affected (0.00 sec)
mysql> INSERT INTO date_val (d) VALUES('1900-01-15');
Query OK, 1 row affected (0.00 sec)
mysql> INSERT INTO date_val (d) VALUES('1987-03-05');
Query OK, 1 row affected (0.00 sec)
mysql> INSERT INTO date_val (d) VALUES('1999-12-31');
Query OK, 1 row affected (0.00 sec)
mysql> INSERT INTO date_val (d) VALUES('2000-06-04');
Query OK, 1 row affected (0.00 sec)
mysql>
mysql>
mysql> SELECT d, DAYNAME(d), DAYOFWEEK(d), WEEKDAY(d) FROM date_val;
+------------+------------+--------------+------------+
| d | DAYNAME(d) | DAYOFWEEK(d) | WEEKDAY(d) |
+------------+------------+--------------+------------+
| 1864-02-28 | Sunday | 1 | 6 |
| 1900-01-15 | Monday | 2 | 0 |
| 1987-03-05 | Thursday | 5 | 3 |
| 1999-12-31 | Friday | 6 | 4 |
| 2000-06-04 | Sunday | 1 | 6 |
+------------+------------+--------------+------------+
5 rows in set (0.00 sec)
mysql>
mysql> drop table date_val;
Query OK, 0 rows affected (0.00 sec)
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