Geography
Hemispheres
Latitude and Longitude
International Date Line

What is the Prime Meridian and where is it located?

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Answer

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Wiki User
09/13/2008

See related link for more information. _________ The Prime Meridian is based on Greenwich, England, the longitude of which is 0 degees. The other meridians are calculated from the Prime Meridian. Knowing where you are in relation to the Prime Meridian is the basis of all nautical navigation which was the reason for its establishment.