Difference between revisions of "Coordinated Universal Time"
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'''Coordinated Universal Time''' (UTC) is the international atomic time scale that serves as the basis of timekeeping for most of the world. | '''Coordinated Universal Time''' (UTC) is the international atomic time scale that serves as the basis of timekeeping for most of the world. | ||
| − | The hours, minutes, and seconds expressed by UTC represent the time of day at the [[Prime Meridian]] (0º longitude) located near [[Greenwich]], England as reckoned from midnight. UTC is calculated by the Bureau International des Poids et Measures (BIPM) in Sevres, France. The BIPM averages data collected from more than 200 atomic time and frequency standards located at about 50 laboratories worldwide. UTC is the basis for all civil time with the Earth divided into time zones expressed as positive or negative differences from UTC. UTC is also referred to as "Zulu time | + | The hours, minutes, and seconds expressed by UTC represent the time of day at the [[Prime Meridian]] (0º longitude) located near [[Greenwich]], England as reckoned from midnight. UTC is calculated by the Bureau International des Poids et Measures (BIPM) in Sevres, France. The BIPM averages data collected from more than 200 atomic time and frequency standards located at about 50 laboratories worldwide. UTC is the basis for all civil time with the Earth divided into time zones expressed as positive or negative differences from UTC. UTC is also referred to as "Greenwich Mean Time" and "Zulu time," with the latter being the standard NATO military term. See the Standard Time Zones of the World map included with the Reference Maps. |
[[Category:Time Zones]] | [[Category:Time Zones]] | ||
Revision as of 23:53, December 15, 2011
Coordinated Universal Time (UTC) is the international atomic time scale that serves as the basis of timekeeping for most of the world.
The hours, minutes, and seconds expressed by UTC represent the time of day at the Prime Meridian (0º longitude) located near Greenwich, England as reckoned from midnight. UTC is calculated by the Bureau International des Poids et Measures (BIPM) in Sevres, France. The BIPM averages data collected from more than 200 atomic time and frequency standards located at about 50 laboratories worldwide. UTC is the basis for all civil time with the Earth divided into time zones expressed as positive or negative differences from UTC. UTC is also referred to as "Greenwich Mean Time" and "Zulu time," with the latter being the standard NATO military term. See the Standard Time Zones of the World map included with the Reference Maps.
