What is the day with the shortest sunshine?

Solstice of winter. In a year, the sunshine time from winter solstice is the shortest, which is the 22nd solar term among the 24 solar terms. The solar calendar reaches 270 degrees, and the solar term is celebrated from June 65438+February 2 1 to the 23rd of the Gregorian calendar every year. The winter solstice shows that the height of the sun in the northern hemisphere is the smallest and the daytime is the shortest. On the solstice of winter, the direct sunlight reaches the southernmost part of the year, and the sunlight is most inclined to the northern hemisphere.