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Preplanned City Guides and Travel Itineraries

Royal Observatory

On this page you find practical information, photos and videos about Royal Observatory.

Royal Observatory features in these preplanned City Guides:

5-day London City Guide

Why visit / Interesting facts:

  • Stand on the "official' starting point of world time
  • Great experience for kids and adults

Time required: 60 minutes

Phone: +44 20 8858 4422

Web site:

Opening hours:

Time period Opening hours
Daily: 10am - 5pm
Dec 24-26: Closed


Ticket type Charge
General: Free

Public transport:

  • Docklands Light Railway: Cutty Sark station

Address: Blackheath Avenue , Greenwich, SE10 8XJ

Things you need to know:

  • Royal Observatory is part of the World Heritage Site of Greenwich
  • It was founded by Charles II in 1675
  • The Observatory was built to improve navigation at sea by finding the method of determining the exact position to the east or west by astronomical means
  • The Prime Meridian, Longitude 0° runs through it
  • Every place on Earth is measured in terms of its distance east or west from this point
  • It is the official starting point for each new day and year
  • UK's largest refracting telescope is housed in the building

What to do there:

  • Have your photo taken standing on the meridian line
  • Enjoy the faboulos view over London
  • Visit the observatory housing the Astronomy center, the Planetarium, the Time galleries and the telescope Dome
  • Do not miss the planetarium shows (charges apply: £6.50)

Tips & Insights:

  • The exhibitions are interactive and very informative
  • Visit the official site for an informative map
  • Meridian line: for £1 you can print a certificate that you were there

Royal Observatory features in these preplanned City Guides: