1. 17-03-2016 01:26 PM
      2. 17-03-2016 01:31 PM
      3. 17-03-2016 01:34 PM
      4. 17-03-2016 01:44 PM
      5. 17-03-2016 10:33 AM

1. 17-03-2016 10:33 AM
        2. 17-03-2016 01:26 PM
        3. 17-03-2016 01:31 PM
        4. 17-03-2016 01:34 PM
        5. 17-03-2016 01:44 PM

SELECT *
FROM table_name
ORDER BY STR_TO_DATE(new_meeting_time, '%d-%m-%Y %h:%i:%s') ASC

SELECT * FROM table_name ORDER BY STR_TO_DATE(new_meeting_time,'%d-%m-%Y %h:%i %p');

mysql> select STR_TO_DATE('17-03-2016 01:26 PM','%d-%m-%Y %h:%i %p');
+--------------------------------------------------------+
| STR_TO_DATE('17-03-2016 01:26 PM','%d-%m-%Y %h:%i %p') |
+--------------------------------------------------------+
| 2016-03-17 13:26:00                                    |
+--------------------------------------------------------+
1 row in set (0.00 sec)