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प्रश्न
If it is Wednesday 10 a.m. at 15° E meridian, then what will be the time at IDL?
विकल्प
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
While crossing the IDL, a person will have to add one day when travelling from ______.
According to the international convention, at which meridian does the day and date change occurs?
Give geographical reason.
IDL is proving to be very useful in today’s times.
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Using an atlas, tell if, on the following route, the IDL will be crossed and show it on the map.
Delhi - Kolkata - Singapore - Melbourne
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.
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