If it is 4a.m. at Greenwich London, then what will be the time at 15° West of Greenwich? 2 A.M. ЗА.М. 5 A.M. 6 A.M.
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Explanation:
It will be 11 AM.
Beacause the earth covers one rotation in 24 hours and there are total 360 longitudinal lines on the earth .So,there is a difference of 4 minutes for every degree of longitude (24*60)/360 or difference of 15 degree longitude for 1 hour (15*4).
Since,we are talking about 15 degrees “west”,therefore, it will be 1 hour behind the Greenwich!
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