September 2000 1 What is the lunar calendar?

According to the query calendar network, September 1 day of Gregorian calendar in 2000 coincides with August 4th of Chen Geng year of the lunar calendar, with autumn as the season, 67 days from winter, and summer as the solar term, 6 days from Millennium. The lunar calendar, that is, the current traditional calendar in China, belongs to the yin-yang calendar, that is, the lunar calendar and the solar calendar. It is based on the change cycle of the moon phase. Every month the moon phase changes, the reference year of the sun is one year. And add 24 solar terms, set up leap months, so that the average calendar year can adapt to the tropical year.