When is the shortest day in winter?

The winter solstice is an important solar term in the China lunar calendar. It is also the shortest day in a year and the beginning of winter. In ancient times, the winter solstice was an important festival, and people would hold sacrificial activities on this day to pray for a bumper harvest and peace in the coming year. The arrival of winter solstice means the official arrival of cold winter, and the weather is getting colder and colder. It is necessary to strengthen warm and cold protection measures.