The 5th, 10th, 15th, 20th, 25th and 30th of each month. According to the announcement issued by Qingdao Urban Management, the listing time of Jimo Grand Collection is: the fifth day, the tenth day, the fifteenth day, the twentieth day, the twenty-fifth day and the thirtieth day of each month, and various products are available for sale and purchase. Large-scale assembly: refers to market transactions that are held at intervals of several days on specified dates or days in rural places such as towns and villages, or are freely bought and sold.