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An internet alarm clock displaying your computer's time. Use our alarm clock to wake yourself up. Also use our online stopwatch, countdown timer, and alarm clock in 24 hour format.
Recycle This Listing http://onlineclock.net/
Easy access to keeping your PC clock synchronized with the NIST atomic clock.
Recycle This Listing http://www.atsync.com/
Learn about ancient calendars, early clocks, a revolution in timekeeping, world time scales and time zones. A NIST Physics Laboratory presentation.
Recycle This Listing http://physics.nist.gov/GenInt/Time/time.html
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