What does the subscription of solar calendar mean?

The "engagement" in the Gregorian calendar means that this day is suitable for engagement and sworn brothers. This also means signing an agreement, which means engagement.

The yellow calendar, also known as the old yellow calendar, the imperial calendar and the children's calendar, etc. , is a kind of almanac that can display various calendars such as Gregorian calendar, Chinese calendar and official calendar at the same time, and has a large number of rules and contents related to seeking good fortune and avoiding bad luck. The main contents of the Gregorian calendar include: twenty-four solar terms, avoiding good and bad luck, rushing evil, combining harm, receiving sound, dry branches, twelve gods, on duty, fetal gods, stars, moon phases, exorcism, Peng Zuji, six splendors, nine planets, fleeting time, Chinese medicine, mysterious nine planets, week, twelve zodiac signs, orientation and so on.

Almanac is a code of conduct followed by ancient emperors and a calendar promulgated by emperors, so people call it "imperial calendar". After the Revolution of 1911, the imperial system was overthrown and the "imperial calendar" was rewritten as the "yellow calendar". The yellow calendar not only includes astronomy, meteorology, seasonal seasons, but also contains some taboos that people should abide by in their daily lives. Its contents guide the farming opportunities of working farmers in China, so it is also called farmers' calendar. The people of the Yellow Calendar are also commonly known as "general books".

The earliest existing calendar of the Northern Song Dynasty is the banknote book (No.S6 12) published by Dunhuang for the third year of Taiping Xingguo. In addition to the general calendar, this calendar is preceded by less common charts or rhymes, such as national avoidance, the new school year and the true shape of the twelve-year god.