Among the twenty-four solar terms that are both solar terms and traditional festivals are

Among the 24 Solar Terms, Qingming and Winter Solstice are both solar terms and traditional festivals.

Qingming Festival, also known as Treading Green Festival, Xingqing Festival, March Festival, Ancestor Festival, etc., is held at the intersection of mid-spring and late spring. Qingming Festival originated from the ancient times of ancestral beliefs and spring rituals, both natural and humanistic two connotations, is both a natural point of the festival, but also a traditional festival.

The winter solstice, also known as the winter festival, the Asian age, the long to the festival, etc., both natural and humanistic connotations, both the twenty-four seasons in an important festival, but also a traditional Chinese folk festival. In ancient times, there were folk festivals in ? Eight Festival? the custom of worshipping gods and ancestors. The winter solstice is regarded as a big festival in winter, and in folklore, it is regarded as a big festival in winter. The winter solstice is as big as a year. The winter solstice is regarded as a big winter festival in the folklore, so the ancient people called the winter solstice? The winter solstice is considered as a big festival in winter, so the ancients called the winter solstice as? or? The winter solstice is considered to be a major winter festival, and it is said that the winter solstice is like a year.

Twenty-four Sets of Seasons:

Twenty-four Sets of Seasons is a specific season in the Dry Branches Calendar that represents changes in the natural rhythms of nature as well as establishes the month of December. It is initially based on the development of the Dipper, the seven stars of the Big Dipper cycle of rotation, the handle of the Dipper around the east, south, west, north rotation of a circle, for a cycle, so-called one of the years (Regent), each cycle of rotation began in the spring, finally the Great Cold. The current twenty-four seasons is based on the position of the sun in the return of the ecliptic, that is, the sun's annual trajectory is divided into 24 equal parts, every 15? for 1 equal part, every 1 equal part for a festival, starting in the spring, finally the big cold. The twenty-four solar terms are an important part of the long history and culture of the Chinese nation, condensing the historical and cultural essence of Chinese civilization.

The 24 solar terms are the product of ancient farming civilization, farming production and nature's rhythms are closely related, it is the ancient forefathers in response to the farming season, through the observation of the operation of the celestial bodies, cognitive a year (year) in the time (season), climate, climate and other changes in the law of the formation of the system of knowledge; each festival is expressed in the time, climate, climate, the different changes of the three. The twenty-four solar terms express the unique concept of time between man and nature and the universe, and contain the long cultural connotation and historical accumulation of the Chinese nation. It not only plays a guiding role in agricultural production, but also affects the ancient people's clothing, food, housing and transportation, and even cultural concepts.

Through historical development, the lunar calendar absorbed the elements of the dry calendar as a supplement to the calendar, and adjusted it to conform to the year of return through the intercalary method, forming the yin and yang calendar, and the twenty-four solar terms have become an important part of the lunar calendar. In the international meteorological community, the twenty-four solar terms are regarded as China's fifth great invention. on November 30, 2016, the twenty-four solar terms were officially inscribed on the UNESCO Representative List of the Intangible Cultural Heritage of Humanity.