When Does Summer Start 2024 Australia. Norfolk island does switch over to daylight saving time, but christmas island and the cocos (keeling) islands do not. The summer solstice is the first day of astronomical summer, although the more logical metrological summer begins december 1st / june 1st (depending on hemisphere).
The summer solstice falls between december 21 and 23 in the southern hemisphere each year. Select the summer holidays for another year or.