First Day Of Spring 2025 Australia 2025. On the equinoxes, the earth’s axis and orbit line up so both hemispheres get the same amount. Here’s why spring starts when it does and what we can expect from the warmer months.

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 first day of the calendar month is the beginning of each season.