When Is The First Day Of Winter 2025. 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. Here are the equinox and solstice dates—plus, answers to common questions about the seasons of.
The data correspond to the seasons of the year 2025. Next winter will be on december 1, 2025.