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International Date Line Quiz

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International Date Line Quiz

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IDL concepts and effects

Created by

politygroup1
politygroup1
United States

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International Date Line Quiz
 

International Date Line QuizOnline version

IDL concepts and effects

by politygroup1
1

What longitude is generally recognized as the International Date Line?

2

What does crossing the IDL going east do to the date?

3

What happens when you cross the IDL heading west?

4

Why is the IDL adjusted near the Pacific?

5

What is the primary purpose of the IDL?

6

Which direction causes a date to become earlier?

7

Which direction causes a date to become later?

8

True or false: The IDL is fixed to avoid crossing over landmasses.

9

What meridian is the 180-degree line opposite?

10

How many hours difference can occur across the 180th meridian?

Feedback

The International Date Line is at 180° longitude, opposite Greenwich.

Travelers moving east deduct a day to account for time zones.

Travellers moving west add a day to calendar date.

Adjustments avoid two dates in nearby lands.

IDL marks the boundary between calendar days.

Eastward travel subtracts a day, making the date earlier.

Westward travel adds a day to the date.

Adjustments are made to avoid populated lands.

The Prime Meridian is 0°, opposite 180°.

Time difference is 24 hours across the line.

 
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