Beginning of winter is the 19 solar term in 24 solar terms.

Beginning of winter is the nineteenth solar term.

1 and 24 solar terms are: beginning of spring, rainy, smelly, vernal equinox, Qingming, Grain Rain, Changxia, Xiaoman, Mangzhong, Summer Solstice, Xiaoshu, Dashu, beginning of autumn, Chushu, Bailu, Autumn Equinox, Cold Dew, Early Frost, beginning of winter, Light Snow, Heavy Snow, Winter Solstice, Slight Cold.

2. beginning of winter said that since the beginning of winter, "on the day of beginning of winter, the water began to freeze and the ground began to freeze". People often take the cold north wind and cold frost and snow as symbols of winter. In addition, "autumn harvest and winter storage", everything is harvested in winter, and winter is the season to enjoy a bumper harvest and recuperate.

3. After beginning of winter, the sunshine time will continue to shorten, and the noon sun height will continue to decrease. Because there is still some energy in the heat stored on the surface, it is generally not very cold in early winter; As time goes by, cold air activities become more and more frequent, and the downward trend of temperature accelerates.