What does the solar calendar mean by "Today, the south is evil and the tiger is rushing"?

An Shan: It is stipulated in the study of choosing a date that the three evils of the day of application, the day after tomorrow and the day after tomorrow are all in the south. If you have a wedding on this day, you can't set the banquet directly south of your home.

Chonghu: 12 has the saying of six reds, including Shen Yin and Xiang Chong. Yin is a tiger, Shen is a monkey. The so-called tiger rush means that this day or this month is the application for Japan, which is in conflict with the tiger. Rush means violence, disharmony, conflict, etc. This is unlucky.