In modern times, our day is twenty-four hours, but in ancient times, it was only twelve hours. Our concern now is to locate the time when passing through the area. A * * * is divided into sixteen districts, and the time of each district is different. But China is now unified as Beijing time, and Beijing's time zone is standard time.
In ancient China, there were twelve hours, corresponding to our zodiac signs. Rats, ugly cows, silver tigers, hairy rabbits, dragons, snakes, afternoon horses, sheep, monkeys, chickens, dogs and pigs. Of course, the corresponding sea time is a sea pig. The pig is a lazy animal in our impression, and we are basically sleeping when we see it. Therefore, the time corresponding to the sea time is the time when people sleep. This time is from 9: 00 p.m. to 1 1 p.m., which is also commonly known as people's appointment.
Although twelve o'clock coincides with the zodiac, it is not the origin. According to the information we have found, twelve o'clock was first used in the Western Zhou Dynasty. Obviously, its origin should be earlier, and it may even come from ancient civilization. There are related contents in Huangdi Neijing, and Huangdi's health preservation is consistent with twelve o'clock incense. Through the timing tool, people are reminded of scientific health preservation not only at sunrise but also at sunset. At twelve o'clock, most scholars believe that it originated from heavenly stems and earthly branches in the astronomical phenomena. In ancient times, it was very popular to calculate divination according to astronomical phenomena. Linking the naming of time with divination calculus is also very convenient for divination.
In fact, when you think about it carefully, the ancient time service method is a bit similar to the modern one, both of which are timed by the sun, but not as accurate as it is now. Because of the time difference between rotation and revolution, even in different parts of a country, dividing it into twelve hours and calculating the time difference can help people work and rest regularly.