A time zone on Earth, defined for convenience as the region over which civil time is the same at all locations, extends over what range of longitude, on average?
A) 90°
B) 15°
C) 1°
D) 30°

Question

Quizplus · Accepted Answer

Time zones are generally based on the idea that the Earth is divided into 24 zones, each 15 degrees of longitude apart, which corresponds to one hour difference in solar time.

A Time Zone on Earth, Defined for Convenience as the Region