The official name of the festival Dongzhi Festival is Dongzhi (冬至) . The frequency of this festival is annual . The festival is observed by Chinese,Japanese,Koreans . Winter solstice (between December 21 and December 23) is when Dongzhi Festival is celebrated . making and eating of tangyuan,ancestor worship rituals are observed in this festival . Cultural is the type(s) Dongzhi Festival festival . Winter solstice is related to Dongzhi Festival . Tang-cheh (冬節),Tōji (冬至),Dongji (동지) is also called Dongzhi Festival . The significance of Dongzhi Festival festival are Marks the winter solstice
Dongzhi Festival celebrate Iraq (by Kurds and Turkmens) festival