Eclipse observations from the Chou dynasty and Warring States period (c. 1050-221 BC), and onward, have been reliably dated, and it appears that some astronomers recognized eclipses as naturally occurring phenomena. From the Chou dynasty, 36 solar eclipse observations are recorded in the Ch'un-ch'iu beginning around 720 BC. The Piao and the Shih-chi documents refer to nine solar eclipses from the Warring States period.
Records of solar eclipses from the Han dynasty (206 BC - 220 AD) are found primarily in two official histories: the Han-shu and the Hou-han-shu. There are no records of eclipses from the Ch-in dynasty which came just prior to the Han dynasty (221 BC - 206 BC).
During the Ming dynasty (1368-1644 AD), total solar eclipse observations are found in the histories of Ming provinces after 1500 AD. Prior to 1500 AD, eclipse records can be found in the Imperial Annals. These observations, however, are not of total solar eclipses. Aug 20, 1514 AD: "At the hour of wu suddenly the Sun was eclipsed; it was total. Stars were seen and it was dark. Objects could not be discerned at arm's length. The domestic animals were alarmed and people were terrified. After one (double-)hour it became light." (local history of Tung-hsiang county, Chiang-his province)
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