Fall Equinox 2025 Day And Time. The equinox and solstice day 2025 the spring and autumn equinox is an astronomical phenomenon, in which the day is equal to the night, they mark the change of the seasons. It is also called the autumnal equinox, fall equinox.

The vernal equinox, also known as the spring equinox, will occur on march 20, 2025, at 10:15 utc (coordinated universal time). Rajendra prakash gupt of jiwaji observatory noted that.