Autumn Equinox 2024 Nz Events. The autumn equinox signifies the start of autumn. Data for christchurch (canterbury, new zealand), for the period.
Autumn equinox 2024 (beginning of astronomical autumn) on the day of the autumn (september) equinox, the sun, moving along the ecliptic, crosses the celestial equator,. Autumnal equinox, two moments in the year when the sun is exactly above the equator and day and night are of equal length;