Why do We Have Time Zones?
We have timezones because we need to keep the world organized for travel and things. Parts of the world have daylight and darkness at different times. We have to have different time zones to match the movement of the Earth.
Nine ways to master this topic
United States Map
Map Showing US
in the World
What Is the International Dateline?
Sometimes you simply need a fresh perspective to solve a challenge.
for a random insight from history's great thinkers.
Get more insight here
How Many Time Zones?
What are the Different Time Zones?
What are the Time Zones in the Us?
How Many Time Zones in the World?
Copyright © 2014 Dictionary.com, LLC. All rights reserved.