How to consult "Su Li Tuantong Book"

Check according to the date to be checked.

Every page of Li Su Tuan's general book has a year and date. You can directly check which month you want to turn over, and each page also has what to do and what not to do on a certain day.

Almanac is an astronomical calendar and the essence of people's exploration of nature and the universe. Since the Tang Dynasty, almanac has been published by state-owned astronomical institutions in various dynasties, such as Qin, Si, Si Tiantai and Taishi Bureau, and printing standards have been formulated.