Ticketed

Essential Information

Location
Royal Observatory
Price Included with entry to the Observatory

Members go free. Not a member? Join now

Please note

Due to essential refurbishment the Greenwich Time Ball is not currently operational. We apologise for the disruption. You can find out more about the Time Ball and see a video of it drop here.

The bright red Time Ball on top of Flamsteed House is one of the world's earliest public time signals, distributing time to ships on the Thames and many Londoners.

The Time Ball was first used in 1833 and still operates today. Normally each day, at 12.55pm, the time ball rises half way up its mast. At 12.58pm it rises all the way to the top. At 1pm exactly, the ball falls, and so provides a signal to anyone who happens to be looking.

Of course, if you are looking the wrong way, you have to wait until the next day before it happens again. The time ball drops at 1pm GMT during the winter months and 1pm BST during the summer. Please note: the time ball will not operate if the weather is too windy.

Choose your tickets

A father and son play on the Prime Meridian Line outside the historic Flamsteed House building of the Royal Observatory

Royal Observatory

  • Guaranteed entry time
  • Audio guide included
  • Planetarium shows not included
Adult £8
Child £4
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A brother and sister with their back to the camera look out from the viewpoint at the top of Greenwich Park towards historic Greenwich

Royal Museums Greenwich Day Pass

  • Cutty Sark
  • Royal Observatory
  • Guaranteed entry time
  • Planetarium shows not included
Adult £20
Child £10
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Member tickets

  • Free Museums entry
  • Priority booking
  • Membership card number required
Advance booking recommended
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National Maritime Museum

Become a Member

  • Unlimited entry all year
  • Royal Observatory
  • Cutty Sark
  • Planetarium Shows
  • Special exhibitions
Direct Debit One-off
Individual: £50 Individual: £60
Family: from £65 Family: from £75
JOIN TODAY