What Day Is The Fall Equinox 2025 Uk. The dates for equinoxes and solstices in the northern and southern hemispheres are the same, but in opposite seasons. The astronomical calendar determines the seasons due to the 23.5 degrees of tilt of the earth's rotational axis in.
Autumnal/fall equinox north of the. Somewhere between september 21st to september 24th each year, there will be a moment when the day and the night will last approximately the same.