Spring Solstice 2025 Australia. Year march equinox june solstice september equinox december solstice tropical year length; That's because we chart the seasons based on the meteorological system.
On this date, the day is equal. 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.