Spring Equinox Australia 2024

Spring Equinox Australia 2024. It is also the point in the calendar where the day length is more or less equal to the length. The date and time at which the centre of the sun is directly over the equator in late september is called the equinox—from the latin for 'equal night'.

Whereas astronomical seasons are defined by the position of the earth in relation to the sun. Yule, ostara, litha and mabon, fall on the equinoxes and solstices, the dates of which vary slightly from year to year, and they mark the changes.