Autumn Equinox Australia 2025

Autumn Equinox Australia 2025. The spring or vernal equinox marks the astronomical first day of spring. It also lists astronomical sunrise and sunset timings on autumnal equinox.

The summer solstice is also known as the longest day, which is perhaps the most notable feature. The sun crosses over the equator again in late march, and days and nights are again the same length.