The Chongyang Festival, a traditional Chinese festival, is celebrated on the ninth day of the ninth month of the lunar calendar every year. "Nine" number in the "I Ching" for the number of Yang, "nine nine" two Yang heavy, so it is called "Chongyang"; because the sun and the moon are nine, so it is also known as "heavy nine The sun and the moon coincide with nine, so it is also called "Chongjiu". Nine nine to the true, the beginning of a yuan, the ancients believe that the nine nine sun is an auspicious day.

Ancient folk in the Chung Yeung Festival have climbed high to pray for blessings, autumn tour to enjoy chrysanthemums, wear dogwood, worship God and ancestor worship and drinking and praying for longevity and other customs. Nowadays, it has added the connotation of honoring the elderly, enjoying the feast on the day of Chung Yeung and honoring the elderly with thanksgiving. The two important themes of the Chrysanthemum Festival today are the appreciation of the autumn and the thanksgiving and respect for the elderly.

Expanded:

The Chongyang Festival originated from the worship of heavenly signs and began in ancient times, popularized in the Western Han Dynasty, and flourished after the Tang Dynasty.

According to the surviving historical materials and testimonies, in the ancient times, there were activities of sacrificing to the heaven and ancestors in the seasonal autumn for a good harvest; it is recorded in "Lv's Spring and Autumn - Seasonal Autumn Chronicle" that the ancients offered sacrifices to the heavenly emperor and ancestors at the time of a good harvest in the month of September to thank the heavenly emperor and the ancestors for their kindness and virtues. This is the original form of the Chongyang Festival that existed as an autumn harvest festival.

The Tang Dynasty was an important period in which traditional festival customs were kneaded and finalized, and the main part of them has been handed down to the present day. Chrysanthemum ancestor worship folklore has been followed for thousands of years and is an ancient folklore of profound significance. The Chongyang Festival is one of the four major traditional festivals for ancestor worship in China, along with New Year's Eve, Qingming Festival, and the half of the seventh lunar month.

The Chrysanthemum Festival, in its historical development and evolution, is a mixture of various folklore, carrying a rich cultural connotation. On May 20, 2006, the Chrysanthemum Festival was listed by the State Council as one of the first national intangible cultural heritages.

The Law of the People's Republic of China on the Protection of the Rights and Interests of the Elderly, which was amended and adopted by the Standing Committee of the National People's Congress (NPC) in 2012, stipulates that the Festival is celebrated on the ninth day of the ninth month of the lunar calendar every year.

Baidu Encyclopedia - Chongyang Festival