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TIME ZONES

Wednesday - October 17, 2018 10:42 am , Category : Fun Facts
WTN- The concept of time is built into the biological rhythm of living things. In  this scheme, time and sunlight are inextricably linked. Morning glories open and roosters crow at dawn, night-blooming jasmine unfurls and fire-files begin their amatory signaling at dusk. Time operates on a larger , seasonal ,scale as well. Geese and other birds migrate at the same time each year. Bears hibernate at the onset of winter.
   Early humans responded to the same kinds of biological rhythms, but over time they developed ways to standardize measures of time in order to predict and gain control over event. The position of the sun and the other stars in the sky during Earth’s rotation provide the fundamental unit the day in a year have been averaged , giving us a 24- hours day.

Back when there was little communication among different areas, each town set its clocks by observing the sun’s position. When it was noon in Washington , DC . it was 12:12 p.m. in New York city. As transportation systems advanced especially the railroads, the need for a standardized time system increased  in the United states , this happened in 1883, when the country’s 60O  of longitude was divided in to four time zones. All the locations in a zone would observe the time at the center of the zone. These four zones still broadly define today’s eastern, central , mountain, and pacific time zones.

Soon a system of global time zones was created, using the longitudinal line that runs through Greenwich, England as the prime meridian, since then, continuing small adjustments have been made to national and international time zone system. 


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