The Gregorian zodiac is auspicious.

The Old Yellow Calendar is a kind of almanac that can display various calendars such as solar calendar, lunar calendar and dry calendar at the same time, and has a large number of rules and contents related to seeking good fortune and avoiding evil. It is said that it was created by Xuanyuan Huangdi.

The yellow calendar not only includes astronomy, meteorology, seasons and 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 perpetual calendar is the oldest solar calendar in ancient legends of China. The name of the perpetual calendar comes from a man named Wannian in Shang Dynasty.

Wannian is the editor of this calendar. In order to commemorate its achievements, this calendar was named perpetual calendar. The perpetual calendar used now is an almanac that contains several years or applies to several years. With the development of science and technology, modern perpetual calendars can display multiple sets of calendars such as solar calendar, lunar calendar and trunk calendar at the same time, and can also contain various functional information such as good luck, holidays and reminders.

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China has a long history and profound culture. The custom of choosing auspicious days is a traditional culture with a long history in China. It has a wide range of cultural connotations. The purpose of choosing auspicious day is to find and determine the appropriate time and space for practical activities, and fully grasp the appropriate opportunity brought about by the harmonious relationship between weather, geography and people, so as to achieve the result of avoiding misfortune.

Marking the year, month, day and time with heavenly stems and earthly branches is a unique method in China, and the Gregorian calendar is a traditional calendar marking the year, month and day with heavenly stems and earthly branches. Gregorian calendar is a perpetual calendar based on the China lunar calendar. Legend has it that it was created by Xuanyuan Huangdi, so it is called solar calendar. It is also commonly known as Shu Tong among the people, but it is also called Tong Sheng because of its homophonic and taboo (the above contents are for reference only).