20 19 Count to nine. When is 29?

September 19: 201812.22-201812.30.

Erjiu: 20181231-20191.

Sanjiu: 20191.9-20191.07.

Jiu Si: 2019 65438+1October18-2019 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.

89: 2065438+February 23, 2009-2065438+March 3, 2009

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

Nine days is a unique folk solar term timing method in China. People often say that "it's freezing in the cold, and it's cold in the dog days". From the winter of the solstice, it begins to enter nine days, and every nine days will be a unit.

China has been in cold weather for several years since the winter of November. 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. From the day of winter solstice, it entered the "number nine", commonly known as "cross nine", and then every nine days as a unit, called "nine". After nine "nines", it happens to be 8 1 day, that is, "nine out", and then spring blossoms.

In ancient times, especially in northern China, the conditions for working people to keep warm from the cold were simpler than their descendants. Winter is regarded as a threat and punishment, which directly affects people's mood and even makes them feel that winter is inexplicably long. At that time, in order to survive the long winter, the people of China invented the method of "counting nine" to pass the time, so as to alleviate the psychological crisis under the threat of winter.