Royal Observatory

Inside you'll be able to discover exactly how time was established...

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Blackheath Ave, London SE10 8XJ, UK



The Greenwich Royal Observatory has made it mark on astronomy and navigation throughout the years, known as the location of the prime meridian where Greenwich Mean Time takes it's name and the basis of longitude.

Inside is the Observatory museum exhibiting an array of astronomical and navigational tools, most notably so John Harrison's sea watch the H4 and the Fedchenko clock, the most accurate pendulum clock ever built. Find & compare all things to do at the Royal Observatory for the cheapest experiences and attractions available.

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The Royal Observatory Greenwich
£7 - £36
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Royal Observatory Greenwich
£7 - £17
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Packages including Royal Observatory

Cutty Sark & Royal Observatory Day Explorer
£13 - £27
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