In which dynasty did the winter solstice prevail?

The Winter Solstice Festival originated in the Han Dynasty and flourished in the Tang and Song Dynasties. During the Tang and Song Dynasties, the solstice was the day when the factory worshipped its ancestors in winter. On this day, the emperor went to the suburbs to hold a ceremony to worship the gods. On this day, people must worship their parents. There are still some places to celebrate the winter solstice.

The ancients believed that since the winter solstice, the yang of heaven and earth began to flourish and become stronger, representing the beginning of the next cycle, which is a good day. Therefore, later, during the Spring Festival, customs such as ancestor worship and family dinners often appeared on the winter solstice. The winter solstice is also called "off-year". First, it shows that the year is approaching and there are not many days left. The second is to show the importance of the winter solstice.