Nominally 180° of longitude, or halfway around the Earth.
differences between equator and prime meridian
Prime Meridien is also called Greenwich Meridien. They are not different.
differences between equator and prime meridian
-- The longitude of the Prime Meridian is zero. -- Every point on the Prime Meridian has a different latitude. -- For every possible latitude, there is a point on the Prime Meridian.
nominally 12 hours
The Prime Meridian is 1/2 of the boundary between the eastern and western hemispheres.
the difference from the prime meridian
Longitude
prime meridian!Prime Meridian!PRIME MERIDIAN!PrImE MeRiDiAn!
The time meridian is each standard time zone roughly centered on a line of longitude exactly divisible by 15 degrees and the prime meridian is the starting point for the standard time zones an arbitrary longitude line.
the difference from the prime meridian
the difference from the prime meridian