1, the time of the frost festival in 2021 is the eighteenth day of the ninth month of the year Xinchou in the lunar calendar, October 23, 2021 at 12:36 pm in the Gregorian calendar.

2, frost, one of the twenty-four solar terms, around October 23rd of the Gregorian calendar every year, the frost festival contains the meaning of the weather getting cold and the appearance of the first frost, it is the last solar term of the autumn, and it also means that winter is about to begin. Frost season, health care is particularly important, there is a folk proverb "a year to make up through, not as good as make up the frost", see the impact of this festival on people.

3, what are the customs of the frost: in some parts of China, the frost season to eat red persimmons, in the view of the local people, so that not only can keep warm, but also make up for the muscles and bones, is a very good frost food. The old people in Quanzhou say about eating persimmons at the time of frost: if you eat diced persimmons at the time of frost, you won't have a runny nose. In some places, the explanation for this custom is: you have to eat _____ on the day of frost, otherwise your lips will be cracked all winter. People living in the countryside at this time, will climb a tall persimmon tree, pick a few bright and sweet persimmons to eat.