Atomclock includes a list of well known time servers including NIST Atomic Time Servers in Boulder, Colorado. It very easy to use: 1) Simply download and install the program. 2) Connect to the Internet. 3) Open Atomclock and press the Query button to compare your time to the Atomic Clock. Your clock can be synchronized to the Atomic Clock in less than 10 seconds. You can set the program to run every hour, every 2 hours, etc. to update your clock. It will even open your dialup connection to connect to the Internet. It even disconnects when finished...Plus

World Time: You're in New York and need to call someone in London. "What time is it there?" you ask. Atomclock provides the time of any location in the world. Just set your present location in World Time, and all time zones adjust to the correct time and current location. Get correct and current world times with accurate daylight saving adjustments for every zone.

Proxy Support: use this advanced option, to connect to a time server using a proxy server when your PC is behind a firewall.