The Directorate of Time, U.S. Naval Observatory is the official source of time used in the United States.
Listen to a RealAudio® "live" broadcast of the

USNO Master Clock voice announcer. .

Because it is buffered by the RealAudio® player, this audio time will delayed (late) by four to ten seconds from actual time.

Requires the free RealPlayer®. Get it HERE.

The local time of your arrival:
U.S. Naval Observatory Home Page
Clock requires Netscape

note: clock runs for 30 seconds; it may skip seconds; to restart click reload

This is an animated text format clock
When you hit the Stop button on it you will go to the U.S. Naval Observatory Master Clock page.
Start animated clock
I use a program, "NetDate" which synchronizes your system clock with the U.S. Naval Observatory Master Clock.  If you would like to try it, you can download it.  I'm not making any guarantees about this program, I'm only saying I use it and it seems to work very well.
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Created: Wednesday, May 08, 1996, 6:51:05 PM
Last Updated: Monday July 16 2001