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The Royal Observatory, Greenwich is the historic home of British astronomy, Greenwich Mean Time and the Prime Meridian of the world

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The Royal Observatory Greenwich is the historic home of British astronomy, Greenwich Mean Time and the Prime Meridian of the world.

The Royal Observatory was founded by Charles II in 1675, and now welcomes visitors from around the globe to stand at the centre of world time.

In 2025 the Royal Observatory is celebrating its 350th anniversary.

Observatory curators and astronomers are hosting a season of special events to mark this historic moment, from astronomy live streams and stargazing demos to author talks, family activities, sessions for schools and much more.

You'll even be able to travel back in time, and see what the night sky would have looked like 350 years ago in a brand-new show at London's only planetarium!

Come and celebrate 350 years of the Royal Observatory, and discover the past, present and future of the Home of Time.

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Events

Wednesday, 1st January 2025 - Wednesday, 31st December 2025

Drop-in workshop for all ages Family Trails and Backpacks at the National Maritime MuseumThere is loads for families to see and do at the National Maritime Museum. Pick up one of the family trails and explore objects, people and stories within the galleries
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Wednesday, 1st January 2025 - Wednesday, 31st December 2025

Use the Queen's House Family Trail as a guide to explore the magnificent artworks inside the HouseFamily Trails and Backpacks at the Queen’s HousePick up your own family trail or kit and explore the Queen's House galleries, discover objects that are hundreds of years old and learn how to protect them.
more info

Saturday, 29th March 2025 - Sunday, 4th January 2026

Discover the truth behind pirate life in a major new exhibition at the National Maritime MuseumPirates ExhibitionDiscover the truth behind pirate life in a major new exhibition at the National Maritime Museum.
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Thursday, 29th May 2025 - Monday, 2nd June 2025

It's all happening on board Cutty Sark this May half term - discover the fun family activities you can enjoy on the iconic tea clipper May half term at Cutty SarkIt's all happening on board Cutty Sark this May half term - discover the fun family activities you can enjoy on the iconic tea clipper.
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      350 years of the Royal Observatory

      Type:Attraction

      Royal Observatory, Blackheath Ave., Greenwich, London, SE10 8XJ

      TripAdvisor Traveller Rating

      TripAdvisor Traveller Rating - 3739 reviews3739 reviews

      Add 350 years of the Royal Observatory to your Itinerary

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      • Other AwardsVisit Greenwich Partner Visit Greenwich Partner 2021

      Opening Times

      Audio Universe: Tour of the Solar System (1 Jan 2025 - 30 Nov 2025)
      DayTimes
      Saturday - Sunday12:30
      Ted's Space Adventure (4 Jan 2025 - 30 Nov 2025)
      DayTimes
      Saturday - Sunday11:30
      The Sky Tonight (6 Jan 2025 - 30 Nov 2025)
      DayTimes
      Monday - Friday14:45
      15:45
      Saturday - Sunday13:30
      15:30
      16:30
      Morning Stars (26 May 2025)
      DayTimes
      Monday10:15 - 11:00
      Morning Stars (30 May 2025)
      DayTimes
      Friday10:15 - 11:00
      Chinese Astronomy (14 June 2025)
      DayTimes
      Saturday10:30
      Morning Stars (2 Aug 2025)
      DayTimes
      Saturday10:15 - 11:00
      Chinese Astronomy (9 Aug 2025)
      DayTimes
      Saturday10:30
      Morning Stars (16 Aug 2025)
      DayTimes
      Saturday10:15 - 11:00
      Chinese Astronomy (4 Oct 2025)
      DayTimes
      Saturday10:30

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      Royal Observatory GreenwichRoyal Observatory Greenwich, GreenwichThe Royal Observatory Greenwich is home of Greenwich Mean Time (GMT) and the Prime Meridian and one of the most important historic scientific sites in the world.

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