Tory Petronille

Fall Equinox 2025 Time And Date In Usa. In 2025, the autumnal (fall) equinox arrives on monday, september 22, marking the official first day of fall. The page on variation in times of perihelion and.

These data are provided by the institut de mécanique céleste et de. On the day of the winter (december) solstice, the sun passes through the southernmost point of the ecliptic, that is, as far as possible from the celestial equator to the south (for the northern.