"Thirteen Taboos in Yang Gong" has been valued by Kong Xuan Feng Shui since ancient times. In the eyes of Kong Xuan Feng Shui master, these thirteen days can't be chosen as the days of opening, breaking ground, decorating and building houses, getting married, moving into houses, taking office, traveling, giving birth to babies, burying and building graves, and signing contracts. You need to avoid it as much as possible!
During the Jiajing period of the Ming Dynasty, Yang Jisheng was famous for "shouldering heavy responsibilities with iron shoulders". He was not afraid of power, impeached and raped Yan Song, was persecuted and imprisoned, was tortured and refused to change his mind, and was killed. In order to commemorate him, people set the date of his death as the anniversary of Yang Gong's death.