The home of GMT
- Royal Observatory
- Meridian Line
- Multi-lingual audio guide
- Free museums
- Planetarium shows
- Cutty Sark
We're Making Improvements. Until 14 June there will be no lift access to Flamsteed House or the Time and Longitude gallery. The Meridian Line and Gallery will still be accessible via wheelchair. Find out more about accessibility at Royal Museums Greenwich
Visit the Royal Observatory in Greenwich, London. Home of Greenwich Mean Time (GMT), the Prime Meridian of the world and London’s Planetarium.
Explore the fascinating mysteries of time and space
Make the most of your trip
Download our essential guide to the very best things to do and see at the Royal Observatory Greenwich.
Royal Observatory Greenwich is a quick and easy journey from central London, by DLR, rail or boat