Question

Why the local time at Greenwich is considered to be the international standard time​

Answer 1

It is same for a region or country located on the same latitude. However, countries located in different longitudes have different local times. Thus, for an international coordination between countries, the local time at Greenwich (Greenwich Mean Time) in England is considered to be the international standard time.

Answer 2

It is the same for a region or country located on the same latitude. However, countries located in different longitudes have different local times. Thus, for international coordination between countries, the local time at Greenwich (Greenwich Mean Time) in England is considered to be the international standard time.

Hope it helps!!!