To change the time stamp of a file please follow the following steps:-
1) Login to Plesk Control Panel.

2) Click the "Domains" shortcut in the navigation panel.

3) Click the required domain name in the list.

4) Click on "File Manager".

5) To change the file or directory creation date, click Change timestamp. The time stamp
will be updated with the current local time.

6) A popup will come asking you "Are you sure you want to change the timestamp of the
selected files?" . Click on "OK" and time stamp will be changed.
