Question

what is time zone?why do some countries have more than one time zone​.​

Answer 1

Answer:

Time zones are based on the fact that it takes one hour for the earth to rotate 15 degrees on its axis. That means that large countries that span more than 30 degrees of longitude usually have different time zones.

Explanation:

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Answer 2

Answer:

time zone is a zone where a range common standard time is used