LGPSTime will automatically set your PC clock to the time from the GPS receiver connected to the computer. Using time from a GPS, LGPSTime will keep your computer referenced to an atomic time standard.
PC Clock synchronization using GPS. It can be used as NMEA and COM port tester. The program synchronizes a PC Clock to the right time using artificial satellites.
TimeTools GPS Clock Software is a freeware utility that runs on any Windows NT/2000/XP/2003 workstation or server. The software polls time from a standard NMEA GPS time receiver connected to the host PC's serial port to sync PC time.
Chronos Atomic Clock Synchronizer is a utility for people who need their computers to use exact time. The program connects to various atomic clock timeservers and synchronizes your internal clock with time provided by theseservers.
Additional skins pack for Atomic Alarm Clock. Alert yourself about important events with different alarms and replace your computer tray clock using different skins. Computer Alarm Clock that will play any MP3 file.
Chronograph is a simple award-winning program which keeps your computer's clock accurate using atomic time servers. It is able to replace the standard Windows clock in the system tray and uses Winamp skins for thousands of different clock styles.
Atomic Time Synchronization allows you to synchronize Local System Clock with Atomic Clocks around the USA. You choose your server, select your regional GMT decal and then you can easily do synchronization.
The first accurate atomic clock was built in 1955. Since when the second being based on atomic time and defined as the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two levels of the caesium atom.