Step into the birthplace of modern timekeeping at the Royal Observatory Greenwich, one of London’s most fascinating historic landmarks. Perched high on a hill in Greenwich Park, this world-famous site is where East meets West and where Greenwich Mean Time was born. As you explore the Observatory, you’ll uncover centuries of discoveries that changed how we navigate the world and understand the universe.

Stand astride the legendary Prime Meridian Line, explore beautifully preserved buildings like Flamsteed House, and discover the ingenious clocks created by John Harrison. From historic telescopes to panoramic views over London, the Royal Observatory offers an inspiring journey through astronomy, science, and human curiosity.

• Stand on the Prime Meridian: Place one foot in the Eastern Hemisphere and one in the Western at the world-famous Greenwich Meridian Line.
• Home of Greenwich Mean Time: Discover how GMT was established and why it became the global standard.
• Historic Astronomical Wonders: See John Harrison’s revolutionary timekeepers and the Great Equatorial Telescope.
• Daily Time Ball Drop: Watch the iconic red Time Ball fall at 1:00 PM, one of the world’s earliest public time signals.
• Scenic Hilltop Views: Enjoy sweeping views over Greenwich and the London skyline from this elevated landmark.