When Is Winter Solstice 2024. Winter solstice 2024 (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. Frozen flower in ontario's manitoulin island (credit:
Laura falsone, 2023 winner) submit your winter photos for our fourth 12 nights of solstice celebration on social media! It falls on december 21st or 22nd in the northern hemisphere and june 20th or 21st in the southern hemisphere.