Is the winter solstice longer in the day or at night?

The solstice in winter is the longest night in a year.

In winter, the Gregorian calendar (65438+February 2 1-23) is the vertex of the south point of direct sunlight, while in winter to the sun, the sun shines directly on the Tropic of Capricorn, which is most inclined to the northern hemisphere and has the smallest solar altitude angle. Therefore, in the winter solstice, the days are shortest and the nights are longest in all parts of the northern hemisphere.

The solstice in winter is also a turning point for the sun to return directly to the north. After this day, the direct point of the sun will go back. The direct point of the sun will move northward from the Tropic of Capricorn (23 26' s), and the daylight in the northern hemisphere (China is located in the northern hemisphere) will increase day by day.