How do Longitudes help us to calculate time ?
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The prime meridian tine GMT is the middle point and the east is ahead of west in time. As the earth rotates from West to East once in 24 hours with reference to the sun. ... The sun covers 15 degree of longitudes in one hour and takes 4 minutes to pass over each degree of longitudes, 24×60/360=4 minutes
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q How do Longitudes help us to calculate time ?
Explanation:
ANS Every gain or loss of 1° longitude stands for 4 minutes. 360° implies one complete rotation of earth. on every longitudinal degree increase towards west, substract 4 min. After the hours is calculated add(if east) or substract( if west) it with time of GMT.
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