Summer And Winter Solstice 2025 Dates. The nature reaches its full maturity. Seasons divide the year into four distinct periods of time named spring, summer, autumn/fall, and winter.
Fall begins with the autumnal equinox , monday, september 22, 2025, 2:19 p.m. In 2025 the summer solstice will occur on saturday 21 june at 03.42 bst (02.42 gmt).