The Official U.S. Time - http://www.time.gov/ 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.
A Walk Through Time - http://physics.nist.gov/GenInt/Time/ An illustrated history of timekeeping from ancient times to the present. A presentation of the National Institute for Standards and Technology Physics Lab.
Federal Holidays Calendars - http://www.opm.gov/fedhol/index.asp Find listings of past, present and future federal government holidays.
Proclamations Issued by President Bush - http://www.whitehouse.gov/news/proclamations/ Presidential proclamations to celebrate special days, weeks and months.
GPS Calendar - http://www.ngs.noaa.gov/CORS/Gpscal.html U.S. National Geodetic Survey provides a calendar that converts a typical calendar day to either the Day of Year or GPS Week number.
Today in History - http://memory.loc.gov/ammem/today/today.html Events from American history are illustrated by digitized items from the Library of Congress American Memory historic collections.
World Time Zone Map - http://aa.usno.navy.mil/faq/docs/world_tzones.php Map showing the world's time zones.
Congressional Calendars - http://www.gpoaccess.gov/calendars/index.html The calendars for both the House of Representatives and the Senate from the 104th Congress (1995-1996) to the present.
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