(The essence of theory) On the issue of setting up leap, dismantling and mending, and Maoshan is a foregone conclusion!

Yi You asked: The masters said that the operation of dismantling and repairing the day after tomorrow was not very good, so we should use a leap. They say that the leap is congenital, and the operation should start from congenital surgery. Please give me some advice.

A: Academic mathematics should not only pull carts, but also look up at the road. Because skills are the essence of China traditional culture, and many of them are summaries of experience and formulas, you will know why when you use them.

A:? The fundamental reason for the debate on the replacement and replacement of leap is the different ways in which astronomical calendars treat solar terms. There are many kinds of 10 calendars in ancient and modern Chinese and foreign history. Only in China, there are dozens of calendar updates caused by the progress of astronomical observation and the change of dynasties. Who dares to arrogantly say that only the leap of replacement is the most awesome!

A: Tai Sui and Jian Yue are just virtual astronomical concepts. When we really study them, no model is perfect, but they are almost the same. The best is people, your heart!

A: My approach has always been piecemeal, including various predictions, playing the role of a bird and planning. (Attached with the opinions of predecessors from different factions in Qimen)