Yi divides the mountains and returns to Tibet. Zhouyi, what on earth is this? Initially it was a national calendar, which is the monthly calendar we use now, because human beings originally wanted to live in harmony with nature, which is different from modern life. Therefore, it is very important to master the changing laws of nature. How to record it? Of course, it is Yi. All graphics were created by modern people (different from the people of the inventor's era). At first, they may have been pictographic images. Those who mastered these laws seemed to be gods in that era (to become leaders, please see In the Korean drama Queen Seon Deok, the plum blossoms that the U.S. royal seal master wants to get --- it's too shocking), you will know why he is a myth.
Lianshan seems to be the calendar originally used in the Fuxi and Shennong era. It mainly seems to be to improve the living environment, because it starts with Gen Gua, which means living in the mountains to avoid wind, frost, snow, rain, and beasts and other attacks to improve survival. The environment is equivalent to the foundation of modern Feng Shui. It also basically established the architectural philosophy of the Chinese people to use civil structures as the mainstay for their residences. This is the reason why ancient ruins have not been preserved, which has led to our civilization not being among the forefront of the world's civilizations. The fact is that our civilization is far older than the so-called Egyptian and Indian civilization (not on the same level, when we were eating hot meals and living in big houses, they were still eating raw meat, picking fruits and sleeping in the nooks and crannies of the mountains) - the excavation of large-scale building complexes that are symbols of ancient civilizations .
Guizang is what is now called the Xiantian Bagua. It is roughly the calendar of the emperor's period. He was mainly engaged in agriculture, so it starts with the earth and Kun, and then returns to the earth as Guizang, from Zhen Gua to Kun Gua. It happens to be a cycle of birth, destruction and destruction of living things, and can also be used for solar terms from spring to winter, etc.
Zhouyi (The Day After Acquired Bagua) should be the calendar of the Zhou Dynasty. Unfortunately, by the Zhou Dynasty these things were basically It is the national book, which has been deified by the rulers. It is even more magical when there is an allusion that King Wen was imprisoned to study the hexagrams. It was King Wen who was imprisoned who understood the 64 hexagrams created by observing the objects, heaven, earth, stars, etc. from a distance and up close. The situation of the family and the country was thus applied to divination of specific events, making the predictions more accurate and detailed, and more suitable for the society at that time. With the decline of the Zhou Dynasty, national books were stolen or brought into the folk by the nobles, and world history emerged from then on. A great cultural leap that is rare in the world - the contention of a hundred schools of thought (I am definitely not bragging, you can find it by checking world history.) For example: I was the director of the library of the Zhou Dynasty.
Later, as people became more and more intelligent and had enough food, clothing, housing and transportation, the original role of the Eight Trigrams was downplayed. According to its philosophical principles and the legend of the Eight Diagrams created by King Wen Houtian, it was continuously used in divination of good and bad luck. , developed the part that was used for divination in ancient times. To be honest, this thing is very strange. You have to say that it is terrible for the ancients to draw your current and future development trends by observing you and the things around you. This I I don’t want to say more. If anyone is interested, you can try it with me. If we don’t know each other, we can discuss it.
Regarding the relationship between Hetu, Luoshu and the Eight Diagrams of Nature and Acquired, you can check Baidu, and then jump into Yi!