Spring And Fall Equinox 2025 Meaning. The sun will be exactly above earth’s equator, moving from north to south. Spring equinox 2025 (beginning of astronomical spring) on the day of the spring (march) equinox, the sun crosses the celestial equator, moving along the ecliptic.
The occurrence of spring equinox usually falls on the 20th or 21st march, and the autumnal equinox falls on 22nd or 23rd september every year. On this date, the day is equal.