Returns a unix_timestamp argument as a value in 'YYYY-MM-DD HH:MM:SS' or YYYYMMDDHHMMSS format, depending on whether the function is used in a string or numeric context.
The value is expressed in the current time zone.
mysql>
mysql> SELECT FROM_UNIXTIME(875996580);
+--------------------------+
| FROM_UNIXTIME(875996580) |
+--------------------------+
| 1997-10-04 13:23:00 |
+--------------------------+
1 row in set (0.00 sec)
mysql> SELECT FROM_UNIXTIME(875996580) + 0;
+------------------------------+
| FROM_UNIXTIME(875996580) + 0 |
+------------------------------+
| 19971004132300.000000 |
+------------------------------+
1 row in set (0.00 sec)
mysql> SELECT FROM_UNIXTIME(UNIX_TIMESTAMP(),'%Y %D %M %h:%i:%s %x');
+--------------------------------------------------------+
| FROM_UNIXTIME(UNIX_TIMESTAMP(),'%Y %D %M %h:%i:%s %x') |
+--------------------------------------------------------+
| 2007 22nd July 07:46:11 2007 |
+--------------------------------------------------------+
1 row in set (0.00 sec)
mysql>