Royal Observatory

Visit the Royal Observatory Greenwich to stand on the historic Prime Meridian of the World, see the home of Greenwich Mean Time (GMT), and explore your place in the universe at London’s only planetarium.

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Explore & discover

Explore the fascinating mysteries of time and space

5 Star Greenwich - ROG

"Make time to stand on the Prime Meridian-where East meets West. A once in a lifetime experience!"

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Royal Observatory visitor

Mementos for stargazers and time enthusiasts

Find your way

Royal Observatory Greenwich is a quick and easy journey from central London, by DLR, rail or boat

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