The beginning of a few months is called the lunar calendar. A few days is called the solar calendar.
The lunar calendar is a traditional calendar in China, and has the names of the lunar calendar, the Chinese calendar, the summer calendar, the Chinese calendar, the national calendar, and so on. However, the lunar calendar is not the lunar calendar, but a combination of yin and yang. The change cycle of the lunar phase, that is, the new moon, is taken as the length of the month. With reference to the year of the return of the sun as the length of the year, the average calendar year is adapted to the year of return by setting 24 solar terms and leap months. According to the first year when Xuanyuan Yellow Emperor, the ancestor of China, ascended the throne, this year is the 4715 Year of Dingyou Chicken in the first lunar calendar. The traditional calendar of China is 2698 years earlier than the western calendar. The year of the Western Yuan+2698 is the year of the traditional calendar of China.