Which line is known as the Prime Meridian ? State its importance.

1.	Which line is known as the Prime Meridian ? State its importance.
Answer» Greenwich Meridian is called the ‘Prime Meridian’ or the 0° longitude. The time is calculated with respect to this Meridian. So it is the basic Meridian and time is written as G.M.T. (Greenwich Meridian Time) The earth takes 4 minutes for moving 1° distance.

Discussion