Winter 2024 Start Date. This year the winter will start on thursday december 21, 2023 (day of the winter solstice) and will end on tuesday march 19, 2024 with the spring equinox. This year, astronomical winter begins on 21 december 2022 and ends on 20 march 2023.
So, what is the winter solstice, and why does it happen? The following dates are sorted chronologically, beginning in january of 2024.