China is known for the varieties of its traditional festivals. According to the Tong sheng, an ancient Chinese almanac, there are at least nine major festivals, twenty-four solar periods, and one hundred forty celebrations in a year. Festivals commemorate seasonal, temporal, or phenological changes. They are social events rich with local customs that celebrate a particular theme or significant event. Festivals are inseparable from Chinese life and culture, and reflect the relationship between people and nature.