JAMB - Geography (2017 - No. 24)
The world has different time zone because
most countries do not agree on having the same time zone
it is a major way of differentiating countries from each other
the sum does not shine on the earth surface at the same time
the variation in weather and climate will not allow countries to have the same time zone
Maelezo
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