Eastern & Western Hemisphere.
Chat with our AI personalities
The prime meridian is a line of longitude. It divides the Earth into two hemispheres, known as the Eastern and Western Hemispheres.
eastern and western
a hemisphere.
The Prime Meridian, which is at longitude ZERO degrees, and the International Date Line. The International Date Line is supposed to be at longitude 180 degrees, but it varies quite a distance for political reasons.
The prime meridian offically passes through the Royal Observatory in London.