 An important area of overlap between philosophy and science occurred in cosmology, mathematics and calendrics. An important aspect of cosmological interest is observational astronomy or astrology (tian wen). In an important recent study of Chinese archaeo-astronomy, David Pankenier (2013, 5) traces the Chinese coordination of human activities with the observation and positions of the sun, moon, and stars as far back as the Neolithic cultures of the fifth millennium BCE. Written evidence of royal interest in stars and winds clearly dates back to the Shang oracle bone inscriptions. As Nathan Sivin (1990, 181) puts it: “The difference between astronomy and astrology was a contrast of emphasis on the quantitative as opposed to the qualitative and on objective motions as opposed to the correlation between celestial and political events.”