Occasionally some closures may affect your visit to the Royal Observatory. Please see the table below for information.
| Date | What's closed? | Time | Reason |
|---|---|---|---|
| 8 September 2025 onwards | Peter Harrison Planetarium and Astronomy Centre | Long-term closure | First Light transformation project |
| 11 August 2026 | Whole site | Closing early at 5pm | |
| 12 August 2026 | Octagon Room | From 3pm onwards | Partial solar eclipse live stream set up |
| 8 September 2026 | Great Equatorial Telescope | All day | Private event |
| 15 September 2026 | Whole site | Early closure at 5pm | Private event |
| 25 September 2026 | While site | Early closure at 5pm | Private event |
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History-making discoveries and cutting edge astronomy at the home of Greenwich Mean Time
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