Occasionally some closures may affect your visit to the Royal Observatory and the Peter Harrison Planetarium. Please see the table below for information.
Please note that summer opening hours are:
May: 10am-6pm (last entry 5.15pm)
June-August: 10am-7.45pm (last entry 7pm)
September: 10am-6pm (last entry 5.15pm)
Unfortunately, due to storm damage the camera obscura is closed until further notice. We apologise for any inconvenience.
| Date | What's closed? | Closure time | Reason |
|---|---|---|---|
| Until further notice | Camera Obscura | All day | Storm damage |
| 5 September 2025 | Whole Observatory | Early closure at 5pm | London Underground strikes |
| 8 September 2025 onwards | Peter Harrison Planetarium and Astronomy Centre | Long term closure | First Light transformation project |
| 17 September 2025 | Whole Observatory | Early closure at 5pm | Private event |
| 7 October 2025 | Whole Observatory and other Royal Museums Greenwich sites | Early closure at 3.30pm | Private event |
Supporting your visit
Plan your visit to the Royal Observatory
Opening times, tickets, visitor information and helpful guides
What's on at the Peter Harrison Planetarium
See upcoming shows and special events, book tickets and more
Getting to Royal Museums Greenwich
Travel information for the National Maritime Museum, Royal Observatory Greenwich, Cutty Sark and Queen's House
Tickets and prices
Book tickets for the National Maritime Museum, Cutty Sark, Royal Observatory and Queen's House
Top things to do at the Royal Observatory
History-making discoveries and cutting edge astronomy at the Home of Greenwich Mean Time
Visit Greenwich
Green space, historic London attractions and beautiful city views - discover the best that Greenwich has to offer