Winter Solstice 2025 South Africa. Winter solstice 2025 (beginning of astronomical winter) on the day of the winter (december) solstice, the sun passes through the southernmost point of the ecliptic, that is, as far as. The winter solstice, also known as midwinter, is an astronomical phenomenon marking the day with the shortest period of daylight and the longest night of the year.

In 2025, the december solstice falls at 9:21 utc on december 21 (3:21 a.m. You can also explore the time and date for astronomical seasons summer & winter, solstice spring &.