Definition:Western Hemisphere

Definition

The western hemisphere of Earth is the hemisphere immediately to the west of the prime meridian.

Points in the western hemisphere have longitude between $0 \degrees \, \mathrm W$ (the prime meridian itself) and $180 \degrees \, \mathrm W$.

Also see

• Definition:Terrestrial Hemisphere:
  • Definition:Northern Hemisphere
  • Definition:Southern Hemisphere
  • Definition:Eastern Hemisphere