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universal time

(Encyclopedia) universal time (UT), the international time standard common to every place in the world, it nominally reflects the mean solar time along the earth's prime…

civil time

(Encyclopedia) civil time, local time based on universal time . Civil time may be formally defined as mean solar time plus 12 hr; the civil day begins at midnight,…

All About the Winter Solstice

Dec. 21, 2017 11:28 A.M. EDT (16:28 UTC), marks the solstice—the beginning of winter in the Northern Hemisphere and summer in the Southern Hemisphere by Ann-Marie Imbornoni   The precise…

Time Zone Origins

A transcontinental train schedule was the mother of invention Map of world time zones – full size Related Links Time Measurement, Time Zones, and the International Date Line Prime…

February 2003 Disasters

Feb. 1, Tex.: The Columbia Space Shuttle, on its 28th mission, broke up as it reentered Earth's atmosphere, killing all seven crew members. They were: Rick D. Husband, William C. McCool,…

September 2003 Disasters

Sept. 2, Guangdong province, China: The storm system, Dujuan, swept through Taiwan and then southern China with gale force winds, killing 40, injuring more than 100, and destroying houses,…

Summer Solstice

In 2016, summer begins June 20 6:34 P.M. EDT (22:34 Coordinated Time (UTC)) Solstice comes from the Latin (sol, sun; sistit, stands). For several days before and after each…

America's Most Endangered Places 2014

Shockoe Bottom, Virginia is among American sites most at risk America's Most Endangered Places America's Most Endangered Places 2013 America's Most Endangered Places 2012 America's…