When Is Autumn Equinox 2025 Uk
When Is Autumn Equinox 2025 Uk. When is the autumnal equinox in 2025? Spring equinox 20 march, summer solstice 21 june, autumn equinox 22 september, winter solstice 21 december.
September’s harvest moon on the 18th is the full moon closest to the autumn equinox. On this day the sun will illuminate the northern and southern hemispheres equally, and day and night will be roughly the same length.