The beginning of the lunar calendar (the third most respected) is called the yellow calendar, which is said to have been invented by the Yellow Emperor, so it is called the "yellow calendar".

In the period of Yu (the founder of Xia Dynasty), a man named Wannian was adapted into the "Perpetual Calendar", also known as the "Summer Calendar". 3. Great changes have taken place in taichu calendar in the Western Han Dynasty. The unity of heavenly stems and earthly branches is the first reform. Zu Chongzhi, the "great Li Ming" in the Southern Dynasties, wrote the second great reform and quoted the concept of precession to make the calculation more accurate? 5. Bo in the Tang Dynasty and the first year of the Reform Movement of 1898 initiated the third political reform? 6. In the Unified Calendar written by Yang Zhongfu in the Southern Song Dynasty, the most accurate length of the tropic year is 365.2425. 7. The Calendar of the Yuan Dynasty was written by Xu Heng and Guo Shoujing in the fourth great reform? 8. In the Qing Dynasty, "Li Shixian" was also called Chongzhen Li (Chongzhen Li disappeared before the promulgation of the Ming Dynasty, and the Qing Dynasty renamed it), which abolished "Pingqi" and adopted the fifth major reform of "Ding Qi". #. At the end of the Ming Dynasty, Xu Guangqi presided over the compilation of the new calendar, and Li Zhizao, Li Tianjing, Tang Ruowang and others participated in the compilation, and combined with western astronomical knowledge, compiled the "Chongzhen Almanac"? In the Ming Dynasty, Tang Ruowang revised the almanac of Chongzhen to 103, submitted it to the Qing court, and renamed it the almanac of Western New Law. Later, it was changed to "Li Shixian", which is still in use today. *. So the lunar calendar was invented by China people. ? * References:

Chinese calendar