What Day Is The Winter Solstice 2025. People soak up the sun on deck chairs in the allgäu region of southern germany in 2020. It marks the start of winter in the northern hemisphere and summer in the southern hemisphere.
People soak up the sun on deck chairs in the allgäu region of southern germany in 2020. Winter solstice 2025 will occur on december 21, marking the shortest day and longest night of the year.