Closure of Great Equatorial Dome and Time for Navy Gallery

The Great Equatorial Dome and the Time for Navy Gallery will be closed between 11:30am and 3.45pm on Tuesdays, Wednesdays and Thursdays from 25 July to 24 August for Daytime sky watch sessions 

Planetarium closures

Visiting the planetarium? Our planetarium is open daily, 10am-5pm. It is closed for maintenance on the first Tuesday of every month from September 2017. See what's on and choose your next space adventure

Plan your visit

Tickets & prices
Royal Observatory: £5 - £9.50 Planetarium shows: £5.50 - £7.50
Open daily from 10am - 6pm
Including Bank Holidays
Getting here
Blackheath Avenue, Greenwich, London SE10 8XJ
Explore time and space at the Royal Observatory Greenwich and stand on the Meridian line at the home of the Greenwich Mean Time (GMT). Discover the site’s rich history, from its royal heritage to its awe-inspiring Peter Harrison Planetarium, all set within Greenwich’s beautiful park.


Stand on the iconic Meridian Line with one foot in the west and one foot in the east

Journey through space in one of our planetarium shows and meet a real life astronomer

See one of the best views of London from the Meridian Courtyard, including maritime Greenwich, the O2, Canary Wharf and the River Thames


Tickets include access to the famous Meridian line, Flamsteed House, John Harrison’s timekeepers, Camera Obscura, the Great Equatorial Telescope, galleries and a free audio guide.

There is also free entry to the Astronomy Centre, the Altazimuth Pavilion, shop, café and stunning views over the River Thames and the London Skyline.

Share your photos on social media using #ExploreGreenwich


Did you know?

  • Dating from 1675, Charles II’s Octagon Room is one of the few Christopher Wren-designed interiors that you can see in London today.
  • John Harrison, a carpenter from rural Yorkshire, created the most accurate timekeepers of his day, revolutionising navigation by solving the problem of longitude.
  • The famous Onion Dome, built to house the enormous Great Equatorial Telescope, was initially made from papier mâché. It was damaged twice by bombs during the Second World War.
Explore & discover

Explore the fascinating mysteries of time and space

5 Star Greenwich - ROG

"Make time to stand on the Prime Meridian-where East meets West. A once in a lifetime experience!"

★ ★ ★ ★ ★

Royal Observatory visitor

Mementos for stargazers and time enthusiasts

Find your way

Royal Observatory Greenwich is a quick and easy journey from central London, by DLR, rail or boat

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