The calendar category includes sites covering calendars, important dates and times in the U.S. Federal government.

Related categories 1

Federal Holidays Calendars
Find listings of past, present and future federal government holidays.
The Official U.S. Time
Shows the official time in each time zone. A service provided by the National Institute of Standards and Technology and the U.S. Naval Observatory.
Today in History
Events from American history are illustrated by digitized items from the Library of Congress American Memory historic collections.
When Does Daylight Saving Time Begin and End?
History of daylight saving time and a brief calendar of the time change.
World Time Zone Map
Map showing the world's time zones.
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Last update:
October 10, 2012 at 7:24:06 UTC
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