Summer Solstice 2025 Australia. In 2025, the solstice moment will fall at 2:42 utc on june 21 (9:42 p.m. This is the first day of summer (summer solstice) in the northern hemisphere and the first day of winter (winter solstice) in the southern hemisphere.

This is when the south pole is most fully orientated towards the. Autumn in australia begins on march 20 or 21 and ends on june 20 or 21, placing it between summer and.