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प्रश्न
If it is Wednesday 10 a.m. at 15° E meridian, then what will be the time at IDL?
पर्याय
Wednesday 6 a.m.
Wednesday 9 p.m.
Thursday 2 p.m.
Thursday 6 p.m.
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उत्तर
Wednesday 9 p.m.
Explanation:
At 15° E, it's 10 a.m. Wednesday. The IDL is 165° west of 15° E, which is an 11-hour time difference (165° × 4 minutes = 660 minutes = 11 hours). Subtract 11 hours from 10 a.m., giving 11 p.m. Tuesday. Crossing the IDL westward changes the date back to Wednesday.
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संबंधित प्रश्न
Two boxes in different hemispheres are given in the following diagram. The IDL passes through both the boxes. In one box, the meridian, day and date is given. Find the day and date for the other box.
While crossing the IDL, a person will have to add one day when travelling from ______.
While crossing the IDL, what changes will you make?
Why is the IDL not a straight line like the 180° meridian?
180° line of longitude is ______.
The world is divided into ____________ time zones.
choose the odd one.
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 |
The International Date Line runs zigzag.
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
