How are the time zones formed and why are they formed? – InterviewSolution

1.	How are the time zones formed and why are they formed?
Answer» It takes 4 minutes for the sun’s position to move 1° of longitude. This means that the time is different for each degree of longitude. This can cause a lot of confusion. Therefore to end up this confusion the world is divided into 24 time zones. The width of each time zone is 15° of longitude. This means the difference between one time zone and the next is 1 hour. As you go from Greenwich meridian, you add time; as you go west of the Greenwich meridian you subtract time.

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