How many minutes for each degree of longitude does the local time of any place vary from the Greenwich time?
How many minutes for each degree of longitude does the local time of any place vary from the Greenwich time?
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AmAn KumAr
There are 360 degrees of longitude around the earth. There are 24 time zones. Each time zone therefore spans 15 degrees. That means that the local time (or sun time) changes four minutes for each degree, or four seconds (of time) for every minute (of arc).