Time

http://www.timezoneconverter.com Time Zone Converter - Time and time zone converter. Readily tell the time anywhere in the world using our frequently updated time zone database. Now you can find out the time anywhere in the world with The Time Zone Converter. Convenience: Use the converter to plan International travel, phon calls, or many other uses.active

http://tycho.usno.navy.mil/time.html Serves as the online componenet of the reference timekeeper. Also contains background information and a form that calculates the sunrise, sunset, twilight, moonrise, moonset, and phase times for any U.S. location.active

http://tycho.usno.navy.mil/what.html The USNO Master ClockTime

http://www.time.gov The Official U.S. Time - Time Service Department: U.S. Naval Observatory,

http://physics.nist.gov/GenInt/Time/time.html A Walk Through Time: Illustrated Historyactive

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