Royal Observatory Greenwich
Viewpoint · Greenwich, London

Royal Observatory Greenwich

Photo: Jakub Hałun · CC BY 4.0 · Wikimedia Commons

The Royal Observatory Greenwich defines Greenwich Mean Time and the line of zero longitude. Visitors can stand on the meridian line and see historic telescopes. The site also includes a planetarium and exhibits on astronomy.

On day 3 of London in 5 Days

Good to know

Tickets
Admission fees apply; check the official site for current prices.
Time needed
Allow 2 hours to visit the observatory and meridian line.
Best time
Visit on weekdays to avoid crowds.
Getting there
Take the Docklands Light Railway to Cutty Sark station, then walk uphill.

Itineraries with Royal Observatory Greenwich

Day 3 of London in 5 Days

The Tower and Bankside

How Royal Observatory Greenwich fits into a day.
  1. 9:00Tower of LondonTower Hill
  2. 12:00Tower BridgeTower Hill
  3. 13:30Borough MarketSouthwark
  4. 15:30Tate ModernBankside
  5. 17:30Shakespeare's GlobeBankside
See all 5 days
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Royal Observatory Greenwich questions

Where is the prime meridian?

The prime meridian runs through the Royal Observatory Greenwich. A metal line on the ground marks its position.

Is the Royal Observatory Greenwich free?

Entry requires a ticket. Some outdoor areas like the meridian line may have separate access rules.

How long does it take to visit?

Most visitors spend 1 to 2 hours on site. Add extra time for the planetarium show.

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