Why are there different sayings in the yellow calendar? This is standard practice.

At the end of Qing Dynasty, there were 28 famous auspicious pavilions in China, each with its own opinions. The most common is the General Constitution of People's Republic of China (PRC) published by the imperial court. Now no one in Shu Tong inherits Shi Xian. The most influential general book in China is Luo Tongjia, which mainly affects southern Jiangxi, western Fujian and Guangdong. Quanzhou Shu Tong mainly affects southern Fujian and Taiwan Province Province. The auspicious pavilion in Hong Kong and Taiwan still exists. Because of different learning methods, we have different views on the good and bad of the same day.

It is impossible to choose a suitable marriage class by looking through books, there are many "streets" in it. People who haven't studied systematically can't analyze what kind of day classes they should attend.