The world has different time zone because

A.

most countries do not agree on having the same time zone

B.

it is a major way of differentiating countries from each other

C.

the sum does not shine on the earth surface at the same time

D.

the variation in weather and climate will not allow countries to have the same time zone

Correct answer is C

the sun does not shine on the earth surface at the same time. the earth spin on its axis, every 24 hours , the earth makes a complete rotation on its axis each rotation is called a day as the earth rotate different part of the earth receive sunlight and darkness