Participating in the fire is a well-known astrology in ancient times. There are profound reasons for the Xia people's understanding of ginseng. Whenever they fall to the horizon almost out of sight after dusk, it is the time when the earth returns to spring. go to the end of winter, farmers are busy preparing for farming, which has become an important basis for Xia people to observe and teach time. Around 2400 BC, the fire appeared on the eastern horizon in the dark in spring,Its light glowed like a flame in the far east. It attracts people's attention not only because it is bright, but also because it is designed to ignite the fire of hope that people are looking forward to sowing.
the meaning of observe and teach time in the text?
Observe the celestial phenomena to determine the season