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प्रश्न
Make a detailed study of finding time with the help of longitudes. Give one practical example.
उत्तर
Indian Standard Time is based on 82 1/2° E longitude. So if the time in India is 12 noon, so it will be 6.30 A.M. in England or GMT. The time difference between 0° and 82 1/2° E will be 82.5 × 4 – 330 minutes or 330 ÷ 60 = 5 1/2 hours. So there is a difference of 5 1/2 hours between India and England, as England lies in the west, so the time will be 5 1/2 hours less than India.
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संबंधित प्रश्न
With reference to the International Date Line, state the following:
It is meaning and application.
An important programme was to be broadcast from Mumbai at 7.30 p.m. This was heard by some Indian sailors near Ivory Coast in West Africa at 20°W longitude. What was the local time there?
Why are letters E or W added to longitude values?
Give a reason for the following :
All parallel other than equator are not Great Circles.
Why is it 5.30 p.m in India when it is 12.00 noon in London?
When it is 7.30 pm on August 16 in Greenwich, it is ______ (time) on ______ (date) in Chennai.
Why do we have the concept of time zone?
The area found between 0° and 180° E lines of longitude is called.
India is located in this hemisphere based on lines of longitude.
What are Western Longitudes?
