Question

why is 82°30' Meridian has been selected as the Standard Meridian of India?​

Answer 1

82°30' Meridian has been selected as the Standard Meridian of India because From Gujarat to Arunachal Pradesh there is a time lag of two hours. Hence, time along the Standard Meridian of India (82° 30' E) passing through Mirzapur (in Uttar Pradesh) is taken as the standard time for the whole country.

And this time meridian lies almost in the center of the country.

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Answer 2

Answer:

This is because India is a vast country and have a great difference in sunrise timing along East in Gujarat and West in Arunachal Pradesh. Hence, it is necessary to have a specific time all over the India which is done by taking Standard Meridian of India at 82.300 East at the Tropic of Cancer passing through the middle of India.

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