Question

What us meant by Indian standard times? why do we need a standard meridian in india​

Answer 1

The time of a place depends on the longitude that passes through it. Therefore, the standard time for each country is usually taken as the time of the central meridian that passes through it. India has a vast longitudinal extent. Thus, we need a standard meridian for the country.

Answer 2

The time of a place depends on the longitude that passes through it. Therefore, the standard time for each country is usually taken as the time of the central meridian that passes through it. India has a vast longitudinal extent. ... Thus, we need a standard meridian for the country