What is the auspicious day in the yellow calendar based on?

Choose an auspicious day; According to the following:

Based on the Ganzhi calendar, supplemented by the gods of Bagua, nine planets, Liu Yao, Tiangan, Dizhi, Yin and Yang, and the five elements, combined with the year, month, day and time (the main auspicious person is called the auspicious god; The main murderer is called a fierce god or evil spirit. ) Combine the good and bad luck of twelve satellites on duty. The 28-month-old star is on duty for good or ill luck, the day when people and gods are together, the centenary of Peng Zu's death, the anniversary of Yang Gong's death, etc. Choose what should be done and what should be avoided. Make it a taboo day and an auspicious day. It's called lucky choice.

Choosing good luck is the response of human existence; It is also a way of life of human beings; Pursuing good fortune and avoiding evil is the normal psychological orientation of human beings; It also reflects the values of different groups of human beings; It also reflects the philosophical views of different groups of human beings; In fact, some theories of good luck, appropriateness and taboo in choosing good luck and bad luck, as well as many farming seasons and taboos, are the summary and records of the ancient people's life experience.

Choosing good luck can meet people's psychological needs and enhance people's confidence and determination. This custom is beneficial and harmless to improve the physical and mental condition of individuals and the interpersonal relationship of groups.