Spring Solstice 2025 Anno

Spring Solstice 2025 Anno. 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. Equinox means equal day and night (12 hours each).

On this date, the day. The vernal equinox marks the beginning of astronomical spring, while the autumnal equinox marks the beginning of autumn.