When Is Summer Solstice 2025 In Australia. The first day of summer is marked by the summer solstice, which corresponds to the astronomical beginning of summer. Summer solstice 2025 (beginning of astronomical summer) on the day of the summer (june) solstice, the solar disk, moving along the ecliptic, will fall into its northernmost point and will be.

Summer solstice 2025 (beginning of astronomical summer) on the day of the summer (june) solstice, the solar disk, moving along the ecliptic, will fall into its northernmost point and will be. It also lists astronomical sunrise and sunset timings on summer solstice day.