Spring Equinox 2024 Australia Dates. In the northern hemisphere, the spring equinox for 2024 falls on wednesday, 20 march. Vernal / spring equinox 2024 the spring or vernal equinox marks the astronomical first day of spring.

Spring equinox 2024 (beginning of astronomical spring) on the day of the spring (march) equinox, the sun crosses the celestial equator, moving along the ecliptic. On this date, the day is equal.