At the beginning of the winter solstice, the sun moves, and the tripod stove lights all over the curtain.

On December 21, 2021 of Winter solstice, also known as "days are as short as", "day South to" and so on.

On the winter solstice day, in China the northern region has the custom of slaughtering sheep, eating dumplings and wonton, while the southern region has the habit of eating winter solstice rice balls (dumplings) and long noodles. There is also the custom of offering sacrifices to heaven and ancestors in various regions on the winter solstice.