offSync - internet and local time sync, and offset tool
Edit by : offSync is a time synchronization utility, that gives you the option to sync Between an online NTP server, or a local server on your network.

With offSync, you can offset your time by a specified amount of time, and schedule a sync to occur as frequently as you choose.

This utility is placed in your system tray, allowing you to perform a manual sync at any time. you can free download offSync 1.00 now.