1February 22nd. According to the calendar of 2023, the winter solstice solar terms will be ushered in at 20231February 22127, Beijing time, which is a season of freezing cold and looking forward to spring. The winter solstice is the shortest day and the longest night in the northern hemisphere all year round. After the winter solstice, the days will become longer day by day. The ancients said that the winter solstice is: when the cathode arrives, the sun will start to shine, the sun will arrive in the south, the day will be short, and the shadow will be long.