When does the year 20 13 start counting to nine?

According to Chinese folklore, from the solstice in winter, it is "September 9th" every nine days until September 9th, and * * * 8 1 day in a year is a cold period.

"Jiujiu", also known as "Winter Jiujiu", is a folk solar term in winter in China. "Counting Nine" starts from the end of June+February in 65438, which is the day after the "Winter Solstice".

20 13 February 22nd 13 is the first day of 1999.