It runs through a place in London called Greenwich. The Prime Meridian splits the world into ... in the world have different times. This is why the world is divided into 24 different time zones.

Geographical coordinates are essential for identifying any point on Earth. This is possible, as is well known, thanks to a "network" of meridians and parallels. Among these, the Prime Meridian that ...

2009 marks the 125th anniversary of the official adoption of the Greenwich Meridian line as the prime meridian.The markers were erected by East Grinstead Town Council to celebrate the Millennium.