Question

which is the longitude that determines the standard time of India
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Answer 1

The longitude of 82½° E (82° 30'E) is considered as the standard meridian. The local time stated or mentioned at this meridian is considered as the standard time for the whole country. This is called as the Indian Standard Time (IST).

Answer 2

Hey mate !!

Here is ur Answer ⤵️

82.5 degrees east

Indian Standard Time is calculated on the basis of 82.5 degrees east longitude from clock tower chowk rajkot, which is situated approximately on the corresponding longitude reference line.

Hope it helps you ✔️

Thank you ❣️

@ItRWlove