What do you mean, hold your ground?

"Ding" and "Zhi" in Wei are the titles of 12 "sword", which correspond to 12 earthly branch respectively, indicating the position of the earth in the cosmic space of the day, mainly on the ecliptic. The so-called "Jianping is black, and the danger can be opened and closed, which is not equal to breaking."

"Dangerous position" means that this day is a "dangerous" day, and "dangerous" represents the unitary of the twelve branches, indicating the spatial position of the earth on that day, mainly on the ecliptic.

"Be successful" means that this day is the day of "success", and "success" stands for E in the twelve branches, indicating the position of the earth in space that day, mainly on the ecliptic.

Extended data:

Establish and divide twelve straight lines. Or twelve Chen (gods), that is, construction, division, fullness, equality, determination, persistence, breaking, danger, success, integration, opening and integration. Han dynasty began to use it as a calendar chronicle. At that time, fencing, one of the superstitious schools of divination, was once very prominent. The Yin and Yang families will also correspond the twelve straight branches with the twelve earthly branches and set a good or bad date. However, the calendar notes of past dynasties have different views on the establishment and elimination of the twelve straights.

It is generally believed that the day when you walk, be in danger, be stable, persevere, succeed and open is auspicious, and the day when you build, be full, be flat, be broken and be closed is fierce. "Ding" and "Zhi" in "Zhi Ding Wei" are the titles of 12 "prison" corresponding to 12 respectively.

It means that the position of the earth in space on that day is mainly on the ecliptic. The so-called "Jianping is black, and it can be opened and closed in danger, but it can be broken if it is improper." Both "setting" and "keeping" are represented by the ecliptic.