Double-day dryness refers to the phenomenon that the daily dryness on a certain day is the same as that of the Japanese column, such as "Renchen", "Xinsi" and "Guimao".
Double-day drying refers to the combination of two daily columns, the combination of daily drying and daily drying. Common double-day jobs are: Jia Zi, Yi Chou, Bing Yin, Ding Mao, Chen Wu, Keith, Wu Geng, Xin Wei, Ren Shen, Gui You, JOE and Yi Hai.