What does the twelve perils in the yellow calendar mean?

The twelve dangerous days in the solar calendar mean that 12 is an average dangerous day, which belongs to one of the founding days of 12.

In the past, people had a custom that whenever there was something important to do, they would look at the day and choose a good day. Choosing the most auspicious day is the auspicious day of the zodiac, and people think that it is the easiest day to succeed.

Corresponding to the auspicious day of the ecliptic is the evil day of the underworld. This day is not suitable for doing anything, and you need to be cautious in doing anything.

Extended data:

In ancient times, astrological gods were used to calculate good or bad luck, and the mystery of choosing good or bad luck lies in the gods. According to Hee Sa's Bian Fangshu, the so-called evil spirits are only the natural laws of movement of heaven, earth, sun, moon and five stars and their mutual relations;

God and evil spirits are synonymous with these laws or relationships, and there is no distinction between god and evil spirits. Gods and evil spirits are the laws governing the movement of heaven, earth, sun, moon and five stars, and the relationship between them. Choosing good or ill luck according to evil spirits is essentially to respect nature and act according to the laws of heaven and earth.

Ghosts and demons have different dates, and each has its own owner. The choice of auspicious day is mainly the choice of day, just like fortune telling. However, the choice of auspicious day is not to ignore the good or ill luck of the year, month and time, but to look at each other and make a comprehensive choice.

There are twelve evil spirits in the underworld of the ecliptic: Qinglong, Baihu, Tang Ming, Tianpunishment, Suzaku, Jingui, Tiande, Yutang, Tianlong, Xuanwu, Siming and Gouchen. "Qinglong, Tiande, Yutang, Siming, Tang Ming and Jingui" are collectively called the six zodiac signs, and the day when these six gods are on duty is called the auspicious day of the zodiac, which means that everything is auspicious, and everything is avoided.