mysql> select created from users where uid="19470";
+------------+
| created |
+------------+
| 1325259855 |
+------------+
1 row in set (0.08 sec)
1325259855
Assuming that this timestamp is in seconds:
GMT: Friday, December 30, 2011 3:44:15 PM
Your time zone: Friday, December 30, 2011 4:44:15 PM GMT+01:00
Relative: 13 years ago