The Qingming solar calendar usually changes from April 4 to 6, and it is not fixed on a certain day, and the fifth day is the most common. Because the length of a year is determined by the movement of the sun, and the 24 solar terms are also determined by the apparent position of the sun, basically the date of each solar term will not change much every year.
Twenty-four solar terms are the original cultural heritage of working people in China, which can reflect the changes of seasons, guide agricultural activities and affect the food, clothing, housing and transportation of thousands of households. Therefore, we can regard the twenty-four solar terms handed down by our ancestors as the Chinese nation's own "solar calendar", because it was created by China people themselves according to the laws of solar motion, which is very scientific.
In the field of international meteorology, the 24 solar terms are known as "the fifth invention of China". 2016165438+1October 30th, 24 solar terms were officially listed in UNESCO's Representative List of Intangible Cultural Heritage of Humanity.
Customs in Tomb-Sweeping Day:
1. The custom of ancestor worship in Tomb-Sweeping Day has been inherited from generation to generation and has become a fixed custom of the Chinese nation. Although the custom of forbidding fire and eating cold food in Tomb-Sweeping Day became a national folk custom only in the Song Dynasty, the custom of sweeping graves to worship ancestors in Tomb-Sweeping Day has a long history.
2. In addition to visiting graves, the custom of Tomb-Sweeping Day has absorbed a series of folk sports activities such as swinging, cuju, polo and willow planting in its historical development.