What's the date of September in the lunar calendar?

65438+ October 20th. The lunar calendar, that is, the current modern calendar in China, belongs to the yin-yang calendar, that is, the lunar calendar and the solar calendar. The 25th day of the lunar calendar in 2022 is the 20th day of the Gregorian calendar in 2022 10. According to the change cycle of the moon phase, each moon phase changes to one month, the reference year of the sun is one year, and 24 solar terms are added, and leap months are set to adapt the average calendar year to the tropic year.