What is the Gregorian calendar?

The Gregorian calendar is based on the lunar calendar in China, and there are many calendars indicating the good or bad luck of a day.

According to legend, the yellow calendar was created by the yellow emperor, so it is called the yellow calendar. In ancient times, it was calculated and published by Qin Tian Jian, so it was also called the imperial calendar. Its content guides farmers' farming opportunities, so it is also called farmer calendar. Folk commonly known as the general book. However, because the word "book" and "lose" in Tongshu are homophonic, it is also called "Tong Sheng" because of taboo. The solar calendar is based on the lunar calendar in China, and there are many calendars indicating the good or bad of a day. The main contents of the Gregorian calendar are the schedule of the 24 solar terms, the good and bad luck of each day, and the luck of the zodiac.