<P> The 180th meridian or antimeridian is the meridian 180 ° east or west of the Prime Meridian , with which it forms a great circle dividing the earth into the Western and Eastern Hemispheres . It is common to both east longitude and west longitude . It is used as the basis for the International Date Line because it mostly passes through the open waters of the Pacific Ocean . However , the meridian passes through Russia and Fiji as well as Antarctica . </P>
<P> The 180th meridian or antimeridian is the meridian 180 ° east or west of the Prime Meridian , with which it forms a great circle dividing the earth into the Western and Eastern Hemispheres . It is common to both east longitude and west longitude . It is used as the basis for the International Date Line because it mostly passes through the open waters of the Pacific Ocean . However , the meridian passes through Russia and Fiji as well as Antarctica . </P>
what is the name of the meridian at 180 degrees
what is the name of the meridian at 180 degrees
antimeridian
antimeridian