SSC MTS EXAM

Detailed explanation-1: -The prime meridian divides Earth into the Eastern Hemisphere and the Western Hemisphere . The prime meridian is at 0° (0 degrees) longitude.

Detailed explanation-2: -The location in the Gulf of Guinea (South Atlantic Ocean) off the west African coast known as Null Island is named after the point where the prime meridian and the equator intersect. It is located at latitude 0 and longitude 0 degrees.

Detailed explanation-3: -The decision was based on the argument that by naming Greenwich as Longitude 0º, it would be advantageous to the largest number of people. Therefore the Prime Meridian at Greenwich became the centre of world time.