Question

Describe how India's standard time has been fixed

Answer 1

India's standard time has been fixed with the longitudinal and latitudinal extent of centre of india by which it is passes.it is stable and same for all states of india.

Answer 2

Answer:

The "Indian Standard time (IST)" has been fixed according to the standard meridian which runs through 82$^\circ$30’E. This longitude passes through the "Shankargarh Fort, Mirzapur" in "Allahabad" district and in the state of "Uttar Pradesh". The "Indian Standard time" is calculated on the basis of this and is fixed for the entire country. The "Indian Standard time" is 4 minutes ahead of the Greenwhich Mean Time, therefore the IST is 5.5 hours ahead of GMT.