Chinese Story from Seebest Cable: Double Ninth Festival What's the "Double Ninth Festival"? In the ancient Chinese classic, the I Ching, nine is called the largest "Yang number"; on the ninth day of the ninth month of the lunar calendar, the two nines coincide, both being Yang numbers, so this day is called "Chongyang", which This is the origin of Chongyang Festival. Chong Yang Festival is also kn...