Visit the home of Greenwich Mean Time and stand on the world-famous Prime Meridian Line
Visit the Royal Observatory in Greenwich, London. Home of Greenwich Mean Time (GMT), the Prime Meridian of the world and London’s Planetarium.
You must have a timed entry ticket to visit the Observatory. We recommend booking online in advance to guarantee entry and receive updates before your visit.
To make the most of your day out, buy a Royal Museums Greenwich Day Pass and get access to both the Royal Observatory and historic ship Cutty Sark.
See all our tickets
Please note that Planetarium show tickets are not included in entry to the Royal Observatory and must be booked separately.
For a full schedule and how to book, click here.
Located in the Astronomy Centre at the Royal Observatory, the Astronomy Café & Terrace is open at weekends and school holidays to Planetarium ticket holders. You can also pick up refreshments from stalls just outside the main entrance to the Observatory, or head towards the Parkside Café just down the hill at the National Maritime Museum.
Find out more
Find the perfect museum gift, from books and prints to models, toys and games. Visit us next to the Meridian Courtyard, in the Astronomy Centre, or shop online.
Find the perfect print
Find out useful information about facilities at the Royal Observatory including cloakrooms, baby change and accessibility, and information for visitors with disabilities coming to any of our sites.
Download a free map to help guide you round the historic buildings. Our guides are also available in different languages to help you make the most of your visit.
Download the map
10am-5pm (last entry 4.15pm)
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Find Planetarium shows and Observatory events.
Learn from our astronomers in our publications on space. Keep track of time with our famous Shepherd Gate clock replica for your wall.
All visitors to the Royal Observatory must have a ticket to enter. Book online in advance to guarantee entry. Please note: planetarium shows are sold separately. See all tickets and prices