The Royal Observatory Greenwich

OverView

Visit the Royal Observatory in Greenwich, London. Home of Greenwich Mean Time (GMT), the Prime Meridian of the world and London’s Planetarium. Highlights & inclusions: Stand one foot in the East, one foot in the West Grab an iconic selfie Discover the remarkable story behind Greenwich Mean Time (GMT). admission to the Meridian Line and Historic Royal Observatory admission to the Time Galleries and Great Equatorial Telescope audio guide   Home of Time Find out how the Royal Observatory became the home of Greenwich Mean Time (GMT) and the first state-funded scientific institution of its day. See John Harrison's groundbreaking timekeepers up close and explore the home of the Astronomer Royals. The bright red Time Ball on top of Flamsteed House is one of the world’s earliest public time signals and was first used in 1833 and still operates today. Don’t miss the Great Equatorial Telescope, located in the huge iconic onion dome, which gave astronomers new views of the universe over 100 years ago. Located in the UNESCO World Heritage Site of Maritime Greenwich, and another part of Royal Museums Greenwich, Cutty Sark, the world’s sole-surviving tea clipper is now an award-winning museum and visitor experience and is another must-see when visiting Greenwich. Or why not explore North Greenwich, a short River Thames boat ride away on Thames Clipper, and take in the views from Up at The O2?