Atomic Time Synchronizer 4.5.8
Atomic Time Synchronizer is a very useful tool which will automate ypur PC’s clock update.
It periodically checks and synchronizes your computer clock with NIST atomic time servers, or synchronizes time between computers. It can also act as a time server. 
Here are some key features of “Atomic Time Synchronizer”:
· Synchronizes time with NIST atomic time servers
· Synchronizes time between computers
· Can act as a time server
· Can run as a Windows service
· Supports SNTP (the Simple Network time protocol)
· Supports the TIME protocol
· Can be invoked at the command line, and called in batch files
· Can synchronize time with any server running SNTP or TIME protocol
· Periodically checks and synchronizes time
· Displays time in either local time or UTC/GMT
· Can monitor Windows time change event, and adjust automatically
· Easy to use and configure
Limitations:
· 14 days trial
