The Prime or Greenwich meridian. 0 degrees longitude
It is sometimes called the Greenwich meridian or 0° longitude.
The other name for the Prime Meridian is "the meridian of zero longitude", because it is the meridian on which the longitude of every point is zero. Still another name for it is the "Greenwich meridian", because it is one of an infinite number of meridians that pass through Greenwich.
It was defined in 1851.
meridian
meridian
Meridian
I am not sure, but i think it is the prime meridian, pretty sure i am not right
The name of the meridian that is labeled 0 is the Prime Meridian.
This is the Greenwich Meridian, the Prime Meridian of the World.
another name for a line of longitude is meridian.
the prime meridian
The Prime Meridian, or the Greenwich Meridian.