Summer Solstice Australia 2024. This is the first day of astronomical summer and occurs as the sun reaches its most northerly or southerly path in the sky. After the vernal equinox, the length of night continues to shorten and daylight hours increase until the summer solstice arrives.

It also lists astronomical sunrise and sunset timings on summer solstice day. In different time zones, the date of the solstice can differ by a day, so it is important to indicate your exact location.