Question

Standard Time of India is calculated from-​

Answer 1

Answer:

In military and aviation time, IST is designated E* = Echo*. Indian Standard Time is calculated on the basis of 82.5 °E longitude which is just west of the town of Mirzapur, near Allahabad in the state of Uttar Pradesh.

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Answer 2

$\huge\bf{Answer:-}$

It is calculated by 82.5 °E longitude.