mysql> SELECT send_time, DAYNAME(send_time) AS Day
    -> FROM BillArchive
    -> WHERE send_time BETWEEN '2005-08-02' AND '2005-08-05'
    -> HAVING Day = 'Wednesday'
    -> LIMIT 10;
+---------------------+-----------+
| send_time           | Day       |
+---------------------+-----------+
| 2005-08-03 15:41:40 | Wednesday |
| 2005-08-03 23:08:52 | Wednesday |
| 2005-08-03 16:12:23 | Wednesday |
| 2005-08-03 14:25:40 | Wednesday |
| 2005-08-03 19:50:22 | Wednesday |
| 2005-08-03 20:02:46 | Wednesday |
| 2005-08-03 14:25:40 | Wednesday |
| 2005-08-03 20:02:46 | Wednesday |
| 2005-08-03 22:37:50 | Wednesday |
| 2005-08-03 20:02:46 | Wednesday |
+---------------------+-----------+
10 rows in set (0.09 sec)