What is the last day of the winter solstice?

The 23rd. According to the query calendar, the winter solstice is the 22nd solar term among the 24 solar terms of the lunar calendar, which marks the beginning of winter and is also the solar term with the shortest day and the longest night in a year. After the winter solstice, the sun gradually moves to the Tropic of Cancer, and the days will gradually get longer and the nights will gradually get shorter. Therefore, the last day of the winter solstice is the first day after the end of the winter solstice, which is the Gregorian calendar 65438+February 23.