What is the special connotation of six in Chinese culture?

"Six" symbolizes good luck, happiness and health in Chinese culture. China has advocated the traditional concept of "six" since ancient times. Many things are summarized by the number "six". For example, the six Confucian classics are called the "Six Classics" or the "Six Arts", and the most famous among the schools of thought are Yin-Yang, Confucianism, Mohism, Ming, Dharma and Taoism, collectively called the "Six Schools". The six volumes of military books in the Zhou Dynasty are called "Liu Tao", the administrative divisions are "six townships", the official system has "six mansions", the official positions in the Han Dynasty are "six cao", the Sui and Tang political systems have "six ministries", and the imperial army is called "six armies". The queen's bedroom is called "Six Palaces"; in ancient times, kinship relationships were summarized as "Six Relatives", and a woman's pregnancy was called "Six Pregnant Women"; the four directions of heaven and earth were collectively called "Liuhe" or "Six Nethers", and the Heaven, Stem and Earth governed each sixty years. The year is a cycle, which is called "Sixty Years"; from this, there is an auspicious saying among the people of "Sixty Years". Days with "Six" in the lunar calendar, such as the sixth, sixteenth, and twenty-sixth of the lunar month, are considered to be weddings. auspicious day.