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Time Zones.

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Presentation on theme: "Time Zones."— Presentation transcript:

1 Time Zones

2 Why do we need time zones?
Think about it!

3 There are 24 different time zones in the world, one for each hour of the day!

4 There are four time zones in the continental United States – Pacific, Mountain, Central, and Eastern.

5 Label your map

6 Time Zones As you travel east into a new time zone, the time increases by one hour. If you travel west, the time decreases by one hour.  + 1  - 1

7 As you travel EAST , it is one hour later
As you travel EAST , it is one hour later. As you travel WEST , it is one hour earlier. What time zone is Louisiana in? Central If it is 1:00 PM in California, what time is it in Florida? 4:00 PM If it is 10:00 AM in Texas, what time is it in California? 8:00 AM If it is 12:00 AM (midnight) in the Eastern time zone, what time is it in the Mountain time zone? 10:00 PM

8 International Date Line
The International Date Line is located around the 180° longitude line. If you cross the International Date Line, you cross into a new day! World Clock

9 Time Zone Practice E + 1 W - 1

10 International Date Line
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