Visit the Royal Observatory in Greenwich, London. Home of Greenwich Mean Time (GMT), the Prime Meridian of the world and London’s Planetarium.
A leap through time and space
East, west, or right down the middle? Jump across to the Prime Meridian Line in the heart of the Royal Observatory
Observatory highlights
Drop by and chat with our Observatory explainers and Navigation experts as they bring science and astronomy to life!
The beautiful Octagon Room at Flamsteed House is the oldest part of the Royal Observatory
Out of this world stargazing and astronomy shows for the whole family
Stand beneath the magnificent onion dome and marvel at one of the largest refracting telescopes in the world
Revolutionary timepieces that allowed ships to determine their longitude at sea
See this bright red Time Ball, one of the world's earliest public time signals
Stand on the historic Prime Meridian of the World at the home of Greenwich Mean Time (GMT)
Bring your little astronauts to the Royal Observatory for space-themed fun.
From historic clocks and telescopes to cutting edge astronomy, find all there is to see at the home of Greenwich Mean Time
Plan your visit
You must have a timed entry ticket to visit the Observatory, even if you're a Member. We recommend booking online in advance to avoid disappointment.
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.
Please note that Planetarium show tickets are not included in entry to the Royal Observatory and must be booked separately.
Shows run Saturday-Monday during term time and daily during school holidays. 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 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 out useful information about facilities at our museums 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.
Tickets and Opening
| Adult: | £16 |
|---|---|
| Child: | £8 |
10am-5pm (last entry 4.15pm)
- Greenwich Station
- Cutty Sark DLR
- 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.
Online highlights
View a selection of this year's shortlist featuring the most awe-inspiring astronomy photography from around the world
Royal Observatory Greenwich astronomer Dr Greg Brown examines the remarkable first photos from the new space telescope
Find out what to see in the night sky in 2022 with the Royal Observatory's astronomy calendar
Find out more about our historic collection of clocks, watches and precision timekeepers
Black holes seem like the stuff of science fiction, but the reality is even more peculiar
Want to see shooting stars? Check the key dates for major meteor showers in the UK and how to see them in the night sky
Read our monthly guides to the night sky, and check out the latest news from the Royal Observatory Greenwich astronomy team
Look up
Stand beneath the magnificent onion dome and marvel at one of the largest refracting telescopes in the world.
See the Great Equatorial Telescope as part of your visit to the Royal Observatory Greenwich.
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. Please note: planetarium shows are sold separately. See all tickets and prices
Royal Observatory
- Walk the Prime Meridian line
- See the best view in London
- Guaranteed entry time
- Audio guide included
- Planetarium shows not included
| Adult | £16 |
|---|---|
| Child | £8 |
Royal Museums Greenwich Day Pass
- Cutty Sark
- Royal Observatory
- Guaranteed entry time
- Planetarium shows not included
| Adult | £25 |
|---|---|
| Child | £12.50 |
Planetarium show
Ted's Space Adventure
- Suitable for under 7s
- Shows run Saturdays and Sundays
- Daily during school holidays
| Adult | £10.00 |
|---|---|
| Child | £5.00 |
Planetarium show
The Sky Tonight
- Shows run Saturday-Monday during term time
- Daily during school holidays
- Suitable for ages 7+
- Not available for under 5s
| Adult | £10.00 |
|---|---|
| Child | £5.00 |
Planetarium show
Meet the Neighbours
- Shows run Saturday-Monday during term time
- Daily during school holidays
- Suitable for ages 7+
- Not available for under 5s
| Adult | £10.00 |
|---|---|
| Child | £5.00 |
Planetarium show
Starstruck
- Suitable for ages 7+
- Shows every day
- Royal Observatory entry not included
| Save online | |
|---|---|
| Adult | £10.00 |
| Child | £5.00 |
Special exhibition
Astronomy Photographer of the Year
- Amazing astrophotography
- Guaranteed entry time
- More space to explore
| Adult | £10 |
| Child | £5 |
Member tickets
- Free Museums entry
- Priority booking
- Membership card number required
| Advance booking recommended |
Become a Member
- Unlimited entry all year
- Royal Observatory
- Cutty Sark
- Planetarium Shows
- Special exhibitions
| Direct Debit | One-off |
|---|---|
| Individual: £50 | Individual: £60 |
| Family: from £60 | Family: from £70 |