Latitude is North-South (up and down! ).
Longitude is West-East (sideways ! ). Latitude is zero on the
equator and positive in the northern hemisphere and negative in the southern
hemisphere. Longitude is zero on the
prime meridian - home of
Greenwich Mean Time and is positive to the east, across Europe and Asia.
Longitude is negative to the west, across the Atlantic and the Americas.
Read about the
history of latitude and longitude from the English perspective and from
the
French viewpoint. Further
explanation of latitude and Longitude from National Atlas (USA)
