Summer Solstice London
10 months ago
- #day length
- #astronomy
- #summer solstice
- The summer solstice occurs on June 21, 2025, at 3:42am BST.
- June 20 and 21 have the longest days, with a maximum day length of 16h39m28s.
- The shortest night is on the night of June 20-21, though it is only 5 seconds shorter than the following night.
- Days are longer than 16h39m from June 18 to June 23.
- Nights are shorter than 7h21m from June 18 to June 22.
- The earliest sunrise occurred on June 17 at 4:42:09am, while the latest sunset will be on June 26 at 9:22:24pm.
- Sunsets continue to get fractionally later for the next four days.
- Data is specific to London, particularly the Houses of Parliament (51.5°N, 0.125°W).