When Is Fall Solstice 2025 Uk. This year, the spring equinox falls on wednesday 20 march, and the astronomical spring lasts until the summer solstice. In 2025 the summer solstice will occur on thursday 20 june at 21.51 bst (20.51 gmt).
In 2025, these are the astronomical dates and times for the start of each season: The equinox and solstice define the transitions between the seasons of the astronomical calendar and are a key part of the earth’s orbit around the sun.
