When Is Early 2025 Equinox. Equinox means equal day and night (12 hours each). 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.

Use this opportunity to refresh the level of grace and. For those of us in the northern hemisphere, this is marked by the arrival of the spring equinox (otherwise known as the “first point of aries”).