Fall Equinox 2024 Meaning. On the equinox, day and night are of nearly equal length across the planet. In 2024, the autumnal (fall) equinox arrives on sunday, september 22, marking the official first day of fall.
Explore the internal tides, celebrate life’s freshness, and ignite your inner light. At the winter solstice, we have the longest night and the shortest day of the year.