Observatory highlights
Stand on the Prime Meridian Line
Visit the historic Prime Meridian of the World at the Royal Observatory Greenwich
Marvel at Mirror Moon
Luke Jerram's Mirror Moon has landed at the Royal Observatory – see and feel the lunar surface like never before
Be amazed by 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
Find more things to do
History-making discoveries and cutting edge astronomy at the home of Greenwich Mean Time
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.
Ticket discounts
We offer a number of discounts at the Royal Observatory.
- £10 Tuesdays: Visit the Royal Observatory for just £10 on Tuesdays in June 2026.
- Students are entitled to discounted tickets. Book student tickets here.
- Discounts are also available with an Art Pass, Museums Association membership and English Heritage membership.
- £3 tickets are available to visitors receiving Universal Credit, Working Tax Credit, Child Tax Credit, Pension Credit, Employment and Support Allowance, Income Support or Jobseeker's Allowance. Learn more and book here.
- Free tickets are available for carers - a person accompanying a disabled visitor. Book this ticket here.
Accessibility information
We offer a variety of guides, events and resources designed to support visitors with diverse access needs enjoy the Royal Observatory.
If you have questions:
- During your visit, ask a member of museum staff at the Royal Observatory entrance desk
- Before your visit, email RMGEnquiries@rmg.co.uk with your queries
Audio guides
The Royal Observatory audio guide is available in different languages to help you make the most of your visit.
Peter Harrison Planetarium - currently closed
Please note that the Peter Harrison Planetarium is now closed for an exciting renovation project at the Royal Observatory.
Private tours
We also offer bespoke, out-of-hours tours to visitors interested in enjoying the Royal Observatory without the general public.
Read more about our private tours of the Royal Observatory and register your interest here.
Royal Observatory closures
Occasionally some closures may affect your visit to the Royal Observatory. Please see this page for details about upcoming closures.
Tickets and Opening
| Adult: | £24 |
|---|---|
| Child: | £12 |
Standard opening hours
10am-5pm (last entry 4.15pm) daily*
Summer opening hours
June to August until 7pm; September until 6pm
- Greenwich Station
- Cutty Sark DLR
- Maze Hill Station
- Greenwich Pier
Stay connected
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What’s on
Find Royal Observatory events.
Stories
Read more about space, astronomy and the history of time
Night sky highlights - June 2026
June brings short nights and spectacular skies - from noctilucent clouds to the first true views of the Milky Way's glowing core.
How to see the 12 August 2026 partial solar eclipse
Learn more about the best solar eclipse visible from the UK and Ireland so far this century, when around 90% of the Sun will be covered by the Moon
Space and astronomy highlights in 2026
What should you keep your eyes on the skies for in 2026? Discover this year's standout moments with Royal Observatory astronomers
'Observing the Universe reveals how small yet precious we are'
An accident led Takanobu Kurosaki to rediscover life’s beauty and fall in love with astrophotography. Explore his image shortlisted in ZWO Astronomy Photographer of the Year 2025
Mirror Moon
Luke Jerram's Mirror Moon has landed at the Royal Observatory – see and feel the lunar surface like never before
A history of the Royal Observatory in six objects
Explore 350 years of the world-renowned institution and the people who worked there through six intriguing objects
Earth and space through an astronaut's lens
Discover how NASA astronaut Don Pettit takes out-of-this-world photographs from the unique and constantly moving vantage point of the International Space Station
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
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
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
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