Lidong represents the significance of all things being at leisure, symbolizing the beginning of winter. The arrival of the Lidong festival signifies the beginning of winter, and it also means that everything in the world is beginning to enter a state of recuperation, when the grass and trees wither and the dormant insects lie dormant. The winter season is generally better, in the "moonlighting seventy-two wait collection", also said "winter, the end is also, all things collection also". Of course, this season is also the most useful time for food supplement, do not forget to eat some mutton to replenish the gas.

Lidong is not only the beginning of winter, generally "lidong" in the "winter" on behalf of the end of the year's field operations, this time all the crops have been harvested end of the sun, this time can be said to be This is the time when all crops have been harvested and tanned, and it can be said that this is the time when "grain goes into the barn and vegetables go into the cellar", and animals start to prepare for hibernation at this time of the year.

The climate at the beginning of winter.

The winter season, the sun has reached 225 degrees of yellow longitude, the sun will continue to shorten the time of day, the height of the sun at noon continues to decrease, the northern hemisphere is getting less and less solar radiation, but due to the surface of the earth in the second half of the stored heat still has a certain amount of energy. Because the surface of the earth still have "heat", so the early winter is usually not very cold, the real cold after the winter solstice.

Because China's north-south span, the north and south of the climate is very different from each other, this climatic significance of the winter for some areas of China, obviously late. After the winter solstice, its climate transitions from a dry fall with little rain to a rainy, cold and freezing winter climate.