Observatory highlights
Stand on the Prime Meridian Line
Visit the historic Prime Meridian of the World at the Royal Observatory Greenwich
Marvel at the Great Equatorial Telescope
Stand beneath the magnificent onion dome and marvel at one of the largest refracting telescopes in the world
Tours and talks at the Royal Observatory
Delve deeper into the history of time, space and navigation with talks and tours at the Royal Observatory
Visit the Octagon Room
Step inside the room designed by Sir Christopher Wren, and the oldest part of the Royal Observatory
350 years of Royal Observatory Greenwich
Celebrate the anniversary of one of the most important scientific sites in the world
Find more things to do
History-making discoveries and cutting edge astronomy at the Home of Greenwich Mean Time
Moon celebration weekend
Come along to Greenwich for a weekend of activities focused around our beautiful natural satellite, the Moon!
The winners revealed...
Explore the breathtaking winning and shortlisted images in ZWO Astronomy Photographer of the Year 2025.
Plan your visit
How to book
We recommend booking tickets to the Royal Observatory online in advance to guarantee entry. Tickets on the day are subject to availability.
Use the booking calendar to select your visit date and entry time, then select the number of tickets you require and click 'Add to basket'. Your tickets will be sent to you by email once you've completed your booking.
Members enjoy free unlimited entry to the Observatory and all other Royal Museums Greenwich sites, and do not need to book.
Eat and drink
You can 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.
Shop
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.
Accessibility and facilities
Find useful information about facilities at the Royal Observatory including cloakrooms, baby change and accessibility, and information for disabled visitors coming to any of our sites.
Audio guides
The Royal Observatory audio guide is available in different languages to help you make the most of your visit.
Royal Observatory closures
Occasionally some closures may affect your visit to the Royal Observatory. Please see this page for details about upcoming closures.
Peter Harrison Planetarium
Please note that the Peter Harrison Planetarium is now closed for an exciting renovation project at the Royal Observatory.
Tickets and Opening
| Adult: | £24 |
|---|---|
| Child: | £12 |
September: 10am-6pm (last entry 5.15pm)
Standard opening hours
10am-5pm (last entry 4.15pm)
- Greenwich Station
- Maze Hill Station
- Greenwich Pier
Stay connected
Sign up to our newsletter to receive all the latest news, stories and events from the Royal Observatory.
What’s On
Find Royal Observatory events.
Stories
Read more about space, astronomy and the history of time
Billions of stars, one winning photograph: the core of Andromeda
A trio of photographers from China have won the ZWO Astronomy Photographer of the Year 2025 competition with a breathtaking image of the core of the Andromeda Galaxy
Photographing a natural optical illusion
Meet Marcella Giulia Pace, who won the Our Moon category of the ZWO Astronomy Photographer of the Year 2025 competition with her unique image of a natural optical spectacle
Night Sky Highlights - September 2025
Explore what you can see in the night sky this September, including a total lunar eclipse, the Moon passing in front of Venus, and more!
The Astronomer Royal
The Astronomer Royal is the best-known and most prestigious post in astronomy with illustrious forebears such as Flamsteed and Halley
Photographing the Universe from the Royal Observatory: past and present
Royal Observatory astronomers are photographing the skies from historic buildings, continuing a long history of astrophotography at Greenwich
Astronomy highlights in 2025
What's worth looking up for in 2025? Discover this year's must-see moments with Royal Observatory astronomers
History of the Royal Observatory
Find out more about the founding of the Royal Observatory, and how Greenwich came to be known as the 'Home of Time'
Astronomy with the naked eye
Learn what you could see in the night sky with no equipment from the Royal Observatory Greenwich; from galaxies and meteor showers to comets, star clusters, cloud formations and more
How could humans live on Mars?
Astronomer and author Brendan Owens examines the challenges of sending humans to Mars - and what the future holds for our study of the Red Planet
Who was John Flamsteed, the first Astronomer Royal?
Meet the man tasked with mapping the night sky from Greenwich, and discover how a feud with Isaac Newton shaped the early history of the Royal Observatory
What is the Prime Meridian and why is it in Greenwich?
How Greenwich found its place in the centre of global time and navigation
The BBC pips: the Royal Observatory and the Greenwich Time Service
Discover the story behind the Greenwich time pips, first broadcast by the BBC over 100 years ago in 1924
Discover our shops
Choose your tickets
All visitors to the Royal Observatory must have a ticket to enter. Book online in advance to guarantee entry. See all tickets and prices
Royal Observatory
- Visit the Prime Meridian line
- See the best view in London
- Guaranteed entry time
- Audio guide included
| Adult | £24 |
|---|---|
| Child | £12 |
Royal Museums Greenwich Day Pass
- Save with a combo ticket
- Entry to Cutty Sark
- Entry to Royal Observatory
- Guaranteed entry time
| Adult | £38 |
|---|---|
| Child | £19 |
Member tickets
- Unlimited free entry
- Priority booking and exclusive events
- Access using your membership card
| Membership card number required |
|---|
Become a Member
- Unlimited entry all year
- Royal Observatory
- Cutty Sark
- Special exhibitions
| Direct Debit | One-off |
|---|---|
| Individual: £65 | Individual: £75 |
| Family: from £75 | Family: from £85 |