When did the March 9th Festival begin? What month is March 9th?

"Jiujiu", also known as "Winter Jiujiu", is a unit every nine days from the date of the annual winter solstice. "Three or nine days" refers to the third "nine days" from the winter solstice, that is, 19-27 days after the winter solstice. The "Nine" in 20 18 started from the winter solstice on February 22nd, 20 17.

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

June 9th: February 5th, 20 19-February 3rd, 2065438+09.

February, 79 19 —— February 22, 2019

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

99: 201March 4, 9 —— 201March 2.

Sanjiu: 20191.9-20191.07.