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United States Official Time page -
This public service is cooperatively provided
by the two time agencies of United
States: a Department of Commerce agency,
the National Institute of Standards and
Technology (NIST), and its military counterpart,
the U. S. Naval Observatory (USNO).
Worldtimeserver.Com - Look
up the time around the Planet.
The latest information on Network Time
(NTP) and other related clock synchronization
National Clock - U.S. Naval Observatory (USNO)