Answer:
Time Zones are based the division of the world into 24 time zones of 15 degrees longitude each.
Explanation:
(Just some extra info if you're a nerd like me) Although it says there are 24 time zones, the International Date Line (IDL) creates 3 more. Also if you were to include that some time zones are 30-45 minutes apart, that increases the amount of time zones again.
