Summer Solstice 2024 Australia. Summer solstice 2024 (beginning of astronomical summer) on the day of the summer (june) solstice, the solar disk, moving along the ecliptic, will fall into its northernmost. This year, it's friday, december 22.
As a result, the earliest sunrise occurs before the date of the summer solstice, and the latest sunset happens after the summer solstice. The first day of summer is marked by the summer solstice, which corresponds to the astronomical beginning of summer.