Dongzhi (solar term)

Sunlight directed through the 17 arches of Seventeen Arch Bridge, Summer Palace, Beijing around winter solstice

In China, Dongzhi was originally celebrated as an end-of-harvest festival. Today, it is observed with a family reunion over the long night, when pink and white tangyuan are eaten in southern China in sweet broth to symbolise family unity and prosperity. Whereas in Northern China, the traditional Dongzhi food would be the jiaozi.

In Korea, the winter solstice is also called the "Small Seol," and there is a custom of celebrating the day. People make porridge with red beans known as patjuk (팥죽) and round rice cakes (새알심 saealsim) with sticky rice. In the past, red bean porridge soup was sprayed on walls or doors because it was said to ward off bad ghosts. In addition, there was a custom in the early days of the Goryeo and Joseon Period in which people in financial difficulty settled all their debts and enjoyed the day.[2]

In Japan, Tōji is also one of the 24 solar terms. On this day, it is customary to drink grapefruit hot water and eat pumpkin in certain places. The とうじ‐カボチャ【冬至カボチャ】.The habit of eating pumpkin during the winter solstice is because it makes sense to provide products for the festival during the winter when vegetables are lacking. とうじ‐ばい【冬至梅】is a variety of plum. White flowers begin to bloom around the winter solstice. とうじ It is still a surname in Japan and has a long history.