One day at the National Maritime Museum and Royal Observatory, where Grenwich Mean Time is based, and where the Prime Meridian separates the Eastern and Western Hemispheres.
National Maritime Museum
Royal Observatory
National Maritime Museum
Francine
Millennium Clock (time since 1/1/2000)
Francine, Me on the Prime Meridian
Francine, Shelly on the Prime Meridian
Green laser, visible at night, marks the Prime Meridian