Autumn Equinox 2024 Nz. Spring equinox 20 march, summer solstice 21 june, autumn equinox 23 september, winter solstice 21 december. Now, for those in the.

It’s one of two days in the year when the sun crosses the celestial equator,. The autumn equinox occurs on wednesday the 20th of march this year, marking the shift to longer periods of darkness as sunrises get later and sunsets earlier.