/kloc-no shooting in 0/929, on the ice in 3949. When did the "Count Nine Weather" begin to be calculated?

"Weather No.9" is calculated from the end of winter to the early winter of February in Gregorian calendar 65438+.

There is no exact information about when the custom of counting nine originated. However, it was popular at least in the Northern and Southern Dynasties. "Liang Chao Shu Jing Chu Chun Qiu" records: "The winter solstice is 998 1 day, which is the end of cold." Count nine cold days, that is, from the solstice of winter, count a "nine" every nine days until the "99" of 81 days, and the weather will warm up. In fact, it is "99-99, plowing cattle everywhere"-90 days, which is 9 days.

In the traditional culture of China, nine is the extreme number, which is the largest, largest and longest concept. Nine nines is eighty-one, which is the "maximum" number. People in ancient China believed that after the solstice on September 8 1 day, spring must have arrived.

Extended data:

20 19 Nine-day timetable:

September 19: 201812.22-201812.30.

Erjiu: 20181231-20191.

Sanjiu: 20191.9-20191.07.

Jiu Si: 2019 65438+1October 8-2019 65438+1October 26th.

May 9: 2019 65438+1October 27-2065438+February 4, 2009.

69: 2065438+February 5, 2009-2065438+February 2009 13.

79: 2019 February14-2019 February 22.

August 9: 20 19 February 23-2065438+March 3, 2009.

99: 2065438+March 4, 2009-2065438+March 2009 12.