London
United Kingdom
Royal Observatory Greenwich
🏢 Buildings ∙
ABOUT
The Royal Observatory, Greenwich, known as the Old Royal Observatory, is an observatory situated on a hill in Greenwich Park. Since the late 19th century, the Royal Observatory is the historic source of the Prime Meridian of the world, Longitude 0° 0' 0''. The world prime meridian marks the divide between the eastern and western hemispheres. Before this, almost every town in the world kept its own local time. Visitors of the Observatory can see the extensive clock collection, as well as visit planetarium.
Photo by Barry Marsh