September Ninth, the Double Ninth Festival.
Within the Daoist Sect, upon this day, a grand ceremony must be held, using yellow earth and celestial dew, offerings to the Celestial Emperor, in reverence to the heavens above.
For the ninth day of the ninth month is regarded as the best time for "ascension and becoming immortal".
Nine is yang, and the double nine is double yang; on this day, pure qi rises, turbid qi descends—the higher the altitude, the more pure qi gathers, and one may ride the pure qi and ascend to the heavens.
Thus, it is said that the Double Ninth Festival bears the legend of ascending to immortality by climbing high.
Through ancient days till now, figures such as Emperor Zhenwu, Emperor Xuanyuan, the Dao Ancestor Zhang Daoling—all ascended in daylight, achieved immortality, on the Double Ninth Festival.
As the saying goes: Double Nine—when all immortals ascend to heaven.
