What is a calendar? What does it have to do with the lunar calendar?

Ganzhi calendar is a kind of calendar, which has a long history in China. The year, month, day and time of the annals of cadres and branches are different, but they can be said to be complete in the Song Dynasty. It is clearly recorded in the almanac of all dynasties. In fact, the lunar calendar should be called the summer calendar. Since the overthrow of the Qing dynasty in the Republic of China, it has been called the summer calendar at that time. Only after the founding of People's Republic of China (PRC), the culture XXX changed, and it was changed to this name. The lunar calendar is a kind of chronology, that is, the first day and fifteenth day of the first lunar month. The day of a month is determined by the phase of the moon, and the year is uncertain. However, the dry calendar belongs to the pure solar calendar, and the division of months is determined by the 24 solar terms, which are determined by the sun and have nothing to do with the moon. Branches such as Jia Zi, Yi Chou, etc. In ancient times, this document has existed and been used since the Xia Dynasty in China, which is full of ancient mystery!