Spring Solstice 2024 Australia 2024. Find sydney march and september equinox, june and december solstice seasons. Vernal / spring equinox 2024 the spring or vernal equinox marks the astronomical first day of spring.

Here are the equinox and solstice dates—plus, answers to common questions about the seasons of the year in north america. The spring equinox (march 19, 2024) signals the start of spring in the northern hemisphere, the beginning of autumn in the southern hemisphere, and a rare moment of equal night across.