The historic Royal Observatory is the home of Greenwich Mean Time (GMT). Enter the Meridian Courtyard to get your essential photo standing on the Meridian Line and explore some of the oldest parts of the site including the Astronomer Royal's house.
Explore & discover

Stand on the historic Prime Meridian of the World and see John Harrison's legendary timekeepers

Enjoy a lunch over looking Greenwich Park and pick up a memento of your visit

Find your way

The Meridian Line and historic Royal Observtory is a quick and easy journey from central London, by DLR, rail or boat