Abbreviate the title and source of the Double Ninth Festival with 20 words.

Double Ninth Festival, the ninth day of the ninth lunar month, is a traditional festival of the Chinese nation. In the Book of Changes, "nine" is defined as yang number, and September 9 and 29 are important, so it is called "Chongyang"; It is also called "Double Ninth Festival", because both the date and the month conform to nine. Returning to the truth of 1999, the ancients thought that 1999 Chongyang was an auspicious day.

In ancient times, there were folk customs such as climbing to pray for blessings, enjoying chrysanthemums in autumn, wearing dogwood, offering sacrifices to gods and ancestors, and holding birthday banquets. So far, it has added the connotation of respecting the elderly, feasting on the day of Chongyang, and being grateful for respecting the elderly. Climbing mountains and enjoying autumn and giving thanks and respecting the elderly are two important themes of today's Double Ninth Festival.

In the process of historical continuation, the Double Ninth Festival not only incorporates many folk customs, but also incorporates many cultural connotations. There are many folk activities and rich cultural connotations. According to the existing literature, as early as the Warring States period, there were folk customs such as offering sacrifices, climbing mountains and drinking chrysanthemum wine during the Double Ninth Festival. The activities of the Double Ninth Festival are rich and colorful.

In ancient times, there was the custom of climbing on the Double Ninth Festival, so it was also called "Climbing Festival". The climbing custom of Chongyang originated from the climate characteristics at this time and the worship of mountains by the ancients. Climbing is also a solar term originated from nature, and climbing on the Double Ninth Festival corresponds to the spring outing of ancient people in spring and March.

During the Spring and Autumn Period and the Warring States Period, the custom of "climbing to pray for blessings" was popular. There is no uniform regulation on the place of climbing, and the place of climbing is generally divided into mountain climbing, building climbing or platform climbing.

Baidu Encyclopedia-Double Ninth Festival