What does winter night mean?

Winter night refers to the beginning of winter. Beginning of winter is one of the 24 solar terms and one of the traditional festivals of the Han nationality. Li also means that winter begins. Winter means the end, which means that the crops should be harvested after harvest. China regards beginning of winter as the beginning of winter. During the period of beginning of winter, the Han people regarded winter solstice as beginning of winter. In order to spend the severe winter, it is necessary to supplement the dietary customs. After beginning of winter, the sunshine time will continue to shorten, and the height of the sun will continue to decrease at noon. In winter, northeast winds and north winds prevail, and the temperature drops gradually. Because there is still some energy in the heat stored on the surface, it is generally not very cold in early winter.