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प्रश्न
While crossing the IDL, what changes will you make?
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उत्तर
- When you cross the 180° meridian, some precautions need to be taken.
- There is a difference of 12 hours from the Prime Meridian if you go from east or west.
- According to the convention, the start (and end) of a date is considered to be at the 180° meridian.
- Accordingly, an adjustment or change in day and time is made. Thus, while travelling from east to west of IDL, a day is added, whereas while travelling from west to east of IDL, the day remains the same.
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संबंधित प्रश्न
While crossing the IDL, a person will have to add one day when travelling from ______.
At which direction of the IDL does a new day start immediately?
Give geographical reason.
IDL is proving to be very useful in today’s times.
Why doesn’t the IDL pass through land?
Why is the IDL considered with respect to the 180° meridian only?
Using an atlas, tell if, on the following route, the IDL will be crossed and show it on the map.
Mumbai - London - New York - Los Angeles - Tokyo
Match the following
| A | B |
| 0° line of latitude | Pole |
| 0° line of longitude | International Date Line |
| 180° line of longitude | Greenwich |
| 90° line of latitude | Equator |
Using an atlas, tell if, on the following route, the IDL will be crossed and show it on the map.
Kolkata - Hong Kong - Tokyo - San Francisco
Using an atlas, tell if, on the following route, the IDL will be crossed and show it on the map.
Chennai - Singapore - Tokyo - Sydney - Santiago
Using an atlas, tell if, on the following route, the IDL will be crossed and show it on the map.
Delhi - London - New York
