Greenwich, SE10 8XJ
Entrance to the Astronomy Centre is FREE. Entrance charges apply to Flamsteed House and the Meridian Courtyard. Save with a Big Ticket, giving single entry within 30 days to the Royal Observatory, Cutty Sark and the Ships, Clocks & Stars exhibition at the National Maritime Museum.
Opening hours: Astronomy Centre (including Planetarium), 10.00–17.00 daily (last admission 16.30).
Flamsteed House and the Meridian Courtyard, including the Longitude Punk'd exhibition, 10.00-18.00 (last admission 17.30); except Thursday 7, Monday 18 and Thursday 21 August, when the Royal Observatory will close at 17.00 (last admission 16.30).
See details of summer late opening across Royal Museums Greenwich.
Harrison's timekeepers See all five of Harrison's timekeepers together in Ships, Clocks & Stars: The Quest for Longitude – now open at the National Maritime Museum.