Gautama Siddhartha

(Gautama Siddhartha; kit. Chhuthan Hsi-Ta)
The most outstanding representative of one of the three clans of Buddhist astronomers and astrologers, who came from India and lived in the capital of China in the era of the Tang. Becoming head of Indian astrologers in the Chinese capital, GS. between 718 and 729 gg. compiled a vast compendium on astronomy and astrology, "A treatise on astrology during the reign Hai-yuan" in Chinese. This work shows that GS. deeply studied the traditions of Chinese astrology, because it is not translated works from Sanskrit, and is an original piece, based on observations of Chinese scientists with the IV in. BC. In his treatise GS. Indian methods used calendar calculations, which had not been familiar to the Chinese. In particular, in this treatise for the first time in Chinese science uses a zero.