Question

on the basis of which longitude is the indian standard time calculated ​

Answer 1

Answer:

IST is based on longitude 82.5°, which passes through Mirzapur, near Allahabad in Uttar Pradesh. It is 5 hours 30 minutes ahead of Greenwich Mean Time (GMT), now called the Universal Coordinated Time (UTC).

Answer 2

Answer:

82.5°E

Explanation:

Indian Standard Time is calculated on the basis of 82.5°E longitude in the city of Mirzapur, Uttar Pradesh, which is situated approximately on the corresponding longitude reference line.