When Is The Equinox In 2025. Northern hemisphere as determined by visitor country. 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.
This year, the spring equinox falls on wednesday 20 march, and the astronomical spring lasts until the summer solstice. 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.