Your Experience at the Royal Observatory Greenwich

Stand on the Prime Meridian

Begin your journey at the legendary Royal Observatory located on the hilltop of Greenwich Park in London. With your tickets, immerse yourself in the origin of Greenwich Mean Time (GMT) and the Prime Meridian of the world. The highlight is standing astride the line that divides the Eastern and Western Hemispheres, offering a memorable photo opportunity and the realisation of global timekeeping's birthplace. Use your multilingual audio guide to unlock fascinating insights about the Meridian Line and how it has shaped the measurement of time worldwide.

Explore Historic Telescopes and Timekeeping

Investigate the Observatory’s collection of historic clocks and timepieces, especially those designed by John Harrison in the 18th century to solve the maritime problem of finding longitude at sea. Marvel at four masterpieces from H1 to H4, milestones in the evolution of maritime navigation. These ingenious inventions contributed directly to making travel and shipping safer for generations of sailors and explorers.

Continue your visit by admiring the Great Equatorial Telescope, the largest of its kind in the UK, famed for its distinctive onion-shaped dome. Originally built for astrophotography, the telescope now plays an essential role in the Observatory’s research, especially the study of double stars. Observe this marvel of Victorian engineering and learn how it helped further our understanding of the universe.

Experience the Greenwich Time Ball

Each day at precisely 1pm, the red Time Ball drops, marking an historic tradition that signals the exact time for ships in the Thames, a ritual that’s taken place for nearly two centuries. Witnessing the Time Ball drop connects visitors with the daily rhythm of timekeeping and its impact on navigation and technology across the world.

Audio Guide and Interactive Exhibits

Your admission includes a multilingual audio guide filled with engaging stories and facts about the Observatory, its instruments and the scientists who worked here. Dive deeper into astronomy and navigation through carefully curated exhibits and family-friendly learning activities. Children and adults alike will find hands-on displays and interactive elements that bring the history of time and space exploration to life.

Extend Your Visit with a Day Pass

Enhance your experience by choosing the Royal Museums Greenwich Day Pass to access other significant attractions, such as the world-famous Cutty Sark tea clipper, the National Maritime Museum with its rich exhibitions of Britain’s naval heritage, and the elegant Queen’s House renowned for its grand architecture and art collection. Each venue offers a unique perspective on Britain’s scientific exploration and maritime story, providing a full day of discovery at Greenwich.

Why Visit the Royal Observatory?

• Gain insight into the legacy of global timekeeping

• Stand at the crossroads of the world

• See unique historical artefacts and working scientific instruments

• Engage with astronomy and navigation in an accessible way

• Enjoy hilltop views over London and Greenwich Park

Whether you're passionate about science, history or simply seeking an unforgettable London attraction, the Royal Observatory Greenwich offers an educational and inspiring adventure for all ages.

Book your Royal Observatory Greenwich Tickets now!