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प्रश्न
Make a detailed study of finding time with the help of longitudes. Give one practical example.
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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.
संबंधित प्रश्न
State the use of the lines of longitude in relation to distance and time.
Into how many time zones, has the world been divided?
What is the difference between Prime Meridian and other meridians of longitude?
Why do some countries have many time zones?
OR
What are ‘Time Zones’?
Give a reason for the following :
The opposite meridians of longitude form a Great Circle.
What do you mean by local time?
(a) What is the rule of changing the date while crossing the international date line?
(b) What is meant by ‘six-day week’ and ‘eight-day week’?
From the westernmost point to the easternmost point, the local times of India extend over a time difference of ______.
The lines of longitude converge at the ______.
What are Western Longitudes?
