1 October1day, the solstice of winter is coming. Wrong, isn't it 1 1 month 1 day?

The winter solstice falls on 1 1 month in the lunar calendar, so there is a saying that the winter solstice never leaves 1 1 month. Lunar calendar 165438+ October is also called winter moon.

At present, the years used in China are all Gregorian calendar, which basically corresponds to our 24 solar terms, so the winter solstice time is basically around 65438+February 22. But in the past, people used the lunar year. Because of the leap month, there will be a big gap between the lunar calendar and the twenty-four solar terms, so the winter solstice time of each year is different in the lunar calendar.

Extended data

The winter solstice is the 22nd solar term in the "24 solar terms", and the solar calendar reaches 270 degrees. Every year, the festival is held on 65438+February 2 1-23 in the Gregorian calendar. The solstice in winter is the extreme point of direct sunlight spreading to the south. From winter to the sun, the sun shines directly on the tropic of Capricorn, and the sun is most inclined to the northern hemisphere, and the elevation angle of the sun is the smallest. In all parts of the northern hemisphere, the days are the shortest and the nights are the longest.

The solstice in winter is also the turning point of direct sunlight returning to the north. After this day, it went back, and the direct sunlight began to move northward from the Tropic of Capricorn (23 26' s), and the sunlight in the northern hemisphere (China is located in the northern hemisphere) increased day by day.