There are several situations when "everything is not appropriate" on the calendar:
1. The Earthly Branches of the current day conflict with the Earthly Branches of the current year, which is called "Sui Po";
< p>2. The conflict between the Earthly Branches of the current day and the Earthly Branches of the current month is called "Yue Po";3. The "Four Li" days in the 24 solar terms are "The Beginning of Spring", "The Beginning of Summer" and "The Beginning of Autumn" ", the day before "Beginning of Winter" is called "Four Jue Days";
4. The "Two Equinox" and "Second Solstice" days in the 24 solar terms are the "Spring Equinox", "Autumn Equinox", " The day before the "Summer Solstice" and "Winter Solstice" is called "Sili" day.
The so-called "everything is not suitable" means that it is not suitable to do big things. Such as getting married, opening a business, traveling (away from home), laying the foundation stone, moving into a new home, etc. These do not refer to normal things in daily life!
Extended information
As of 2019, the earliest existing calendar using the Northern Song Dynasty era name is the remaining calendar note of Taizong Taiping Xingguo in the third year (978) issued by Dunhuang. (Numbered as S612), in addition to the commonly seen azimuth maps of the year gods in ordinary calendar days, this calendar also includes the "National Taboo", "Newly added Tai Sui this year and the twelve-year god's true shape, each with good and bad luck", " There are less common diagrams or verses such as "Pushing Hybrid Breeding Method", "Zhou Gong's Eight-day Water Movement Chart", "Nine-Yao Singing Method", "Pushing Small Luck Method to Know the Disasters of Men and Women", "Sixty Zodiac Palaces and Constellation Method".
At the beginning of the Northern Song Dynasty when Si Tianjian used engraving to print calendars, they were sold to people with the surname Hou. However, due to the high price, the so-called small calendars were privately printed by Chinese people. The price is only one or two cents per copy. In the fourth year of Xining reign of Shenzong (1071), Wang Anshi, who implemented the new law, strictly prohibited the private printing and sale of small calendars in order to increase his financial resources. Instead, the government printed large calendars and sold them at a high price of several hundred yuan each.
Baidu Encyclopedia-Everything is inappropriate