Free clock synchronizer software for windows

Time Synchronizer adjusts your PC clock with a public time server that uses an atomic clock Time Synchronizer adjusts your PC clock with a public time server that uses an atomic clock.
To automatically start Time Synchronizer every time you boot your system, connect to the time server, synchronize the clock and then quit... Just check the required entries in the configuration box.
If your system clock is very erratic you may want to set it to connect and adjust the clock every 5 or 10 minutes.

Time Synchronizer will synchronize the PCs internal clock with one of the several atomic clocks Time Synchronizer will synchronize the PCs internal clock with one of the several atomic clocks maintained by the United States National Institute of Standards and Technology by using NTP Internet protocol.
Just run the program and press the Get button.
After actual time has been retrived, you can synchronize PCs internal clock by pressing the Set button.
Time Synchronizer supports command line control.
Command line usage: TimeSync.exe [url] [key]
[url] - URL of NTP server
[key] - Time synchronizing key: use Y (yes) or N (no) for an automatic time synchronizing
Example: TimeSync.exe ntp.nasa.gov Y