Autumnal Equinox 2025 Meaning. The spring equinox marks the beginning of spring and from this day forward the day is longer than the night. For autumnal equinoxes for the next 12 years scroll down the page.
The last time it was on this date was 1000 c.e.! In 2092 and 2096, the autumnal equinox will be on sept.