Hundreds of lectures have lectures on the Book of Changes, but I think there is still a big gap in the level of the speakers. Can you accept a higher level? ...

You mean Ceng Shiqiang's lecture, right? It's just an introduction. It's superficial. Theoretically speaking, the Book of Changes is indeed profound and profound, with good annotations in all previous dynasties, which is rarely understood and accepted by people in this impetuous society. But the problem of the earth's rotation period you mentioned has been solved in the Book of Changes-the compass arrangement of Feng Shui itself is 365 and a quarter, which means that each degree corresponds to one day.