Q2 of 14 Page 62

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While crossing the IDL, a person will have to add one day when travelling from

The movement from the prime meridian towards East the time will be ahead. The International Date Line is at 180°, the movement from IDL to East the time will be ahead. That is any movement from 0° to 180° Eastward the date and time will be ahead. Therefore according to the International Date Line, any person travelling from East to West, he should add one day while travelling.

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1

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.

 2

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If it is Wednesday 10 a.m. at 15° E meridian, then what will be the time at IDL.

 2

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According to the international convention, at which meridian does the day and date change occurs?

 2

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At which direction of the IDL does a new day start immediately?