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Time A component of the measuring system used to sequence events, to compare the durations of events and the intervals between them, and to quantify the motions of objects. The SI unit of Time The SI unit of time is the second and is the duration of 9192631770 periods of the radiation corresponding to the transition between two hyperfine levels of the ground state of a caesium 133 atom. Conversions | 60 seconds | = | 1 minute | | 60 minutes | = | 1 hour | | 1 calendar year | = | 31.536x106 seconds | | 1 sidereal year | = | 31.55815x106 seconds | | 1 tropical year | = | 31.55693x106 seconds | | 1 sidereal second | = | 0.9972696 s | | 1 decennium | = | 10 years | | | | | Famous Quotes "Put your hand on a hot stove for a minute, and it seems like an hour. Sit with a pretty girl for an hour, and it seems like a minute. THAT′S relativity." Albert Einstein
See also: Anno Domini, Atomic Clock, Atomus, bell, Common Era, Coordinated Universal Time, Day, Greenwich Mean Time, Hour, Julian Day, Local Time, Lunar Month, Minute, Proper Time, Second, Sexagesimal, SI Units, Spacetime, Time Zones, Twenty Four Hour Clock, watch, Week.
  
Weblinks:- Greenwich Mean Time Greenwich Mean Time is international time, the basis of the world time clock.
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