When did winter begin?

Winter enters September, starting from the winter solstice. The date of winter solstice every year is Gregorian calendar 65438+February 2 1-23. Starting from the date of winter solstice, "99" is pushed by 8 1 day, that is, the end of March (around the vernal equinox) of the Gregorian calendar, "peach blossoms are in full bloom" and "spring is deep and the day is warm".

There is a folk saying, "The solstice in summer is three years old, and the solstice in winter is nine years old." Law No.9 has been passed down from mouth to mouth in China since ancient times, with a history and a lack of records. As for when it originated, there is no exact information.

Extended data

On the solstice of winter, the sun goes south to the extreme, and the sun shines directly on the tropic of Capricorn, which is the place with the shortest day and the longest night in the northern hemisphere. From that day on, the direct point of the sun returned to the north, and the height of the sun in all parts of the northern hemisphere (China is located in the northern hemisphere) gradually increased, and the days increased day by day.

The solstice in winter is the turning point of "South to North". For all parts of the northern hemisphere, the height of the sun rises and the sunshine gradually increases. According to the law of solar terms, beginning of spring is the starting point of the rising of "Yin and Yang" qi in Yang Qi. Since the beginning of spring, Yang Qi has changed and Yang Qi has risen. The beginning of spring marks the rebirth of everything and the beginning of a new cycle.

The solstice in winter is the starting point for the return of the sun. Since the winter solstice, the height of the sun has risen, and the day is getting longer and longer. The winter solstice marks the rebirth of the sun and the round-trip movement of the sun into a new cycle. Therefore, the ancients also regarded the winter solstice as a "good day". Among the eight festivals, the winter solstice is as important as New Year's Day in spring.