Huangshali formula

Red Sand Day refers to the Mid-Autumn Festival in silver moon, Mitsuki, Shen Yue and Haiyue.

Yellow sand day is also called yellow sand day. According to the lunar calendar, the following days are evil days of Huangsha Day: every afternoon in January, April, July and October, every cloudy day in February, May, August and November, and every children's day in March, June, September and December.

Red sand day is also called red sand day, and yellow sand day is also called yellow sand day. "Sand" is a general term for "evil". Red sand day and yellow sand day are all inappropriate days. Choose a good luck and say: if you open a house, you will commit red sand and burn your home for a hundred days; Marry red sand, one woman marries three; If you travel in the red sand, you will never go home; If you are sick, put on a red gauze, and your son will be numb.