Is the winter solstice a religious festival?

The solstice in winter is not a Christian holiday. Christianity does not celebrate the winter solstice. Our country mainly celebrates the winter solstice.

The main Christian festival is Easter (March to April 25th, February/kloc-0, the first Sunday after the full moon at the vernal equinox every year) to commemorate the resurrection of Jesus on the third day after his crucifixion. Christmas (65438+February 25th).

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.

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Astronomical significance of winter solstice

According to modern astronomical science, during the winter solstice, the sun moves to 270 (winter solstice), and the position where the sun directly hits the ground reaches the southernmost point of the year. The sun shines almost directly on the tropic of Capricorn (also known as the winter solstice daily line), and the sun is most biased towards the northern hemisphere. Therefore, the winter solstice is the shortest day in all parts of the northern hemisphere in a year, and the farther north, the shorter the day.

For all parts of the northern hemisphere, the winter solstice is also the day with the lowest sun height at noon all year round. North of the Arctic Circle, the sun is below the horizon all day, which is the widest day of the year in the northern hemisphere. In winter solstice, the northern hemisphere gets the least solar radiation, which is about 50% less than that in the southern hemisphere in hot summer.

The winter solstice is the southernmost day of the year. After this day, the direct point of the sun began to move northward from the tropic of Capricorn, and the length of the day in the northern hemisphere began to increase gradually, and the height of the sun also increased gradually at noon.