World Geography Time Zones.

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Presentation transcript:

World Geography Time Zones

The Basics of Time Zones In a time zone, the time is the same everywhere. Time zones are generally centered on meridians of a longitude that is a multiple of 15 This is due to the simple reason that there are 24 hours in a day and 360 in a circle Hence: 360/24hrs = 15)

The Time Zones of The World

Time Zones Follow-Up Questions: Why do we have time zones? Explain at least two challenges we would face if there were no time zones. Why do we change the lines/meridians in which they run? How else do we change time in specific zones?