There's so much to explore at Royal Observatory Greenwich, from historic objects, to cutting edge astronomy.
- Stand with one foot in the west and one in the east at the Prime Meridian of the world.
- Snap that all important selfie, not forgetting to share it with us at #primemeridian
- Learn all about Greenwich Mean Time (GMT) and how Greenwich came to be the home of time.
1. Stand astride the historic Meridian Line
- Get up close and personal with the stars in one of our planetarium shows
- Choose from 3 shows, all led by one of our expert astronomers.
2. Get to know the stars in the Peter Harrison Planetarium
- Learn about John Harrison’s epic race to solve the Longitude problem
- Admire the craftsmanship of the world famous Harrison clocks, including H1, H2, H3 and H4.
3. Visit the Harrison Clocks & discover the longitude problem
- Sightsee from the best view in London, keeping an eye out for the London Eye and St. Paul's Cathedral
- Take in the fresh air as a UNESCO heritage site rolls out in front of you
4. Enjoy the view
- Explore where the Astronomers Royal lived and worked, as well as all about the families that supported them
5. Visit Flamsteed House
- Enjoy a unique moving panorama of London’s iconic buildings, including the River Thames and Old Royal Naval College
- Learn about the history of the Camera Obscura’s housed at the Royal Observatory since the 1700’s
6. Enjoy the view with the Camera Obscura
- Visit the Christopher Wren designed Octagon Room, and examine the astronomical instruments on display.
- Learn about the story of the Astronomer Royal, and how they worked from this specially built room.
7. Get astronomical in the Octagon Room
- Visit the telescope that determined the exact location of the Prime Meridian
8. Wonder at Airy’s Transit Circle
- Accurately tell the time with this Shepherd Gate Clock, the first to ever show Greenwich Mean Time (GMT) to the public
9. Tell the time using the Shepherd clock
- Gaze in awe at one of the largest telescopes of its kind in the world.
- Learn about the telescopes past, and its time at the Royal Observatory since 1893
- Admire the Onion Dome from the courtyard.
10. Marvel at the Great Equatorial Telescope
- Watch the time ball drop at exactly 1pm every day.
- Learn all about how this historic time telling device was used