When did the "Ninth Five-Year Plan" in winter begin?

From the solstice of winter to the end of fear.

Time:

February 22nd 12 to March of the following year 12. Every nine days, until the end of 998 1, the weather gradually gets warmer.

Winter of' 99:

"beginning of winter 99", also known as "99", is a folk solar term in winter in China, which reflects the general situation of temperature changes in winter in China.

Astronomical experts said that "the Ninth Five-Year Plan" is a more applicable solar term in northern China, especially in the middle and lower reaches of the Yellow River. As soon as the winter solstice arrives, it will enter the "count nine cold days". In our country, people generally call the winter solstice "nine numbers", that is, from the winter solstice, every nine days is divided into a "nine" and * * * is divided into nine "nine". When it reaches 8 1 day, it is called "nine peach blossoms".

Extended data

Winter solstice:

The winter solstice is an important solar term among the 24 solar terms, and it is also a traditional folk festival in China. The bucket refers to the winter solstice, that is, the solar calendar reaches 270, which will be on the Gregorian calendar 65438+February 2 1-23. Astronomy believes that the winter solstice is the beginning of a cold winter climate. The winter solstice is the shortest day of the year in the northern hemisphere. After the winter solstice, the direct point of the sun gradually moved northward, the days in the northern hemisphere began to get longer and the height of the sun gradually increased at noon. Therefore, there is a saying, "Eating noodles on the solstice in winter will make the day longer."

Climatically, during the winter solstice, the average temperature in the northwest plateau is generally below 0℃, and the southern region is only about 6℃ to 8℃. In addition, the winter solstice begins to count to nine, and the winter solstice becomes the first day to count to nine.

Baidu Encyclopedia-Winter 99

Baidu encyclopedia-winter solstice