Time Sync Pro is an application that connects to one of the many atomic clock web servers, downloads the time to your PC and adjusts it. Time Sync Pro has many features including the automatic adjustment of your computer clock. It can automatically update the time every 3 hours. Time Sync Pro minimizes to your system tray, so it's out of your way while you work.
Synchronize your PC's clock via the internet
Atomic Clock Sync 188.8.131.52
atomic clock synchronize freeware utility
Desktop cool world time zone clock display
Multiple time zone clock for system tray