Royal Observatory Greenwich

Stand on the famous Prime Meridian Line at the Royal Observatory Greenwich, the birthplace of Greenwich Mean Time.

Watch the iconic time ball drop at 1pm each day, a maritime tradition once used by ships to set their chronometers for accurate navigation at sea.

Discover the stories behind the exhibits through a free multilingual audio guide, also available in British Sign Language.

Explore the Octagon Room, designed by Sir Christopher Wren, and marvel at the Great Equatorial Telescope, one of the largest telescopes in the UK.

Upgrade to the Royal Museums Greenwich Day Pass to explore the National Maritime Museum and Queen’s House, or go on an early access guided tour of the Royal Observatory.

Explore the best of London with this combo, combining a visit to the Royal Observatory Greenwich with a relaxing Thames sightseeing cruise.

See the historic Octagon Room, gaze through the Great Equatorial Telescope, and stand on the Prime Meridian Line.

Enjoy a Thames cruise with live or multilingual audio commentary, plus views of the Tower of London, Big Ben, and the Houses of Parliament.

Go beyond the Prime Meridian! Upgrade to the Royal Museums Greenwich Day Pass to include entry to the Cutty Sark, the Queen's House and the National Maritime Museum.