Autumn Equinox 2025 Australia Schedule. Autumn equinox 2025 (beginning of astronomical autumn) on the day of the autumn (september) equinox, the sun, moving along the ecliptic, crosses the celestial equator, moving from the. This page contains an sky event almanac (moon phases, eclipses, occultations, planetary conjunctions, seasons, etc.) for the year 2025 ( australian central time ).
What is the beginning of the astronomical seasons: You can access the dates directly, sorted by year, via the links below: