How do longitudes help us in calculating
time ?
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Answer:
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.
Explanation:
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Earth rotates from west to east so that sun arises from east and sunlight takes 4 minutes to cross one degree longitude means 360×4=1440 minutes or 24 hour . ... Earth rotates from west to east so that sun arises from east and sunlight takes 4 minutes to cross one degree longitude means 360×4=1440 minutes or 24 hour .
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