The name of the meridian that is labeled 0 is the Prime Meridian.
The Grand Meridian
Prime or Greenwich.
the prime meridian
scientist wanted a starting point that was labeled 0 degrees.
This is the Greenwich Meridian, the Prime Meridian of the World.
Greenwich, England
That would be the Prime Meridian.
That meridian has no special name. If it's shown at all on a map or globe, it'll be labeled "60".
Prime Meridian. 180 longitude is the Iinternational Date Line, and the equator is 0 degrees latitude
The Prime or Greenwich meridian. 0 degrees longitude
The name of the line that has 0 longitude is the prime meridian
That meridian is labeled " 60°W ".