The earth has been divided into 24 time zones of one hour each. Every zone, thus, covers an extent of how many degrees of longitude?
A
15°
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B
30°
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C
10°
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D
1°
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Solution
The correct option is A 15° The earth covers an angle of 360° with every rotation within the span of 24 hours. This indicates that it rotates by 15° every hour. Thus, for the purpose of convenience, time zones have been split into 24 equally-spaced time zones although there exist exceptions that consider political boundaries.