Chinese celebrate Winter Solstice (21 or 22 Dec) with glutinous rice balls and dumplings.
The glutinous rice ball, Winter Solstice custom go back over 1000 years. I have an article on its origin here 👈
The custom of eating dumplings during Winter Solstice go even further back by a few centuries. How did the dumpling custom come about and why are Chinese dumplings or jiao zi 饺子 shaped like ears?