When Will The Fall Equinox Happen 2025 Usa. Autumnal equinox, two moments in the year when the sun is exactly above the equator and day and night are of equal length; September’s full moon is also considered the second of four consecutive supermoons expected in 2025, according to nasa.
United states 2025 holiday calendar with all major holidays and observances. Also, either of the two points in the.