<Tr> <Td> Map all coordinates using: OpenStreetMap Google Maps </Td> </Tr> <Tr> <Td> Download coordinates as: KML GPX </Td> </Tr> <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> Starting at the North Pole and heading south to the South Pole, the 180th meridian passes through: </P>

What is the name of the meridian at 180 degrees