What's the difference between early winter and early winter?

First, beginning of winter, and then the winter solstice.

Beginning of winter is the 19th solar term among the 24 solar terms and the first solar term in winter. At this time, the sun rotates around the longitude of 225, and the beginning of winter solar terms mark the beginning of winter. However, China is a vast country, and will not enter the winter together. The cold weather starts from the solar terms in beginning of winter and gradually shifts from north to south.

The winter solstice is the 22nd of the 24 solar terms. From winter to the future, the whole country is in a cold winter climate, and the temperature will continue to drop from winter to the future. The winter solstice solar term is the earliest of the 24 solar terms, also known as "Winter Festival", "Dragon Solstice Festival" and "Asian New Year Festival". ?