What do you mean there is no moon?

The last month is the sixth month of the lunar calendar. In ancient China, twelve places were used to mark time and month. Lunar calendar is a traditional calendar in China. According to the cycle of the moon phase, each moon phase changes to one month, and a tropical year is divided into 24 segments, forming 24 solar terms.

The lunar calendar is also called summer calendar, lunar calendar, old calendar, middle calendar and lunar calendar. Because of the use of Xia Zheng, it was often called Li Xia in the old society. After 1970, Li Xia was renamed as Lunar Calendar. The lunar calendar is a combination of yin and yang, and the years are divided into flat years and leap years. An average year is twelve months; A leap year is thirteen months. A month is divided into a big month and a small month, with 30 days in the big month and 29 days in the small month, and its average calendar month is equal to the full moon.