Atomic Clock Time Time is displayed in a variety of useful formats. This is a front-end to U.S. government atomic clocks. http://www.atomictime.net/ - More
Early Clocks Provides a history of clocks used by several different socities in the past. http://physics.nist.gov/GenInt/Time/early.html - More
Time and Learning This Digest summarizes the relationship between time and learning and examines what states and districts across America are doing to make better use of time during the school day. http://www.ericdigests.org/2003-5/time.htm - More
U.S. Time Zones Offers a history of standard time in the United States of America. http://aa.usno.navy.mil/faq/docs/us_tzones.html - More
World Time Scales Offers information on the differences in time scales and time zones around the globe. http://physics.nist.gov/GenInt/Time/world.html - More