"11月21日" translates to "November 21st" in English. This date is significant in various cultures and can be associated with different events, holidays, or observances. For example, in the United States, it often falls around the time of Thanksgiving, a holiday celebrated with family gatherings and feasting. In Japan, November 21st is recognized for its connection to the Shichi-Go-San festival, which celebrates the growth of children aged three, five, and seven. Families often dress their children in traditional clothing and visit shrines to pray for their health and happiness.