[The evaluation consists of eleven sections in two chapters (7 and 8 in this translation). Here is a list of the topics covered, with indications in modern terminology of what each section assesses:
Chapter 7
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1.
Determination of ch’i from observation: solstices
-
2.
Year surplus and annual difference: tropical and sidereal year and their relation
-
3.
Angular extensions of the lunar lodges: system for recording the equivalent of right ascension
-
4.
Tread of the sun: mean solar motion
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5.
Expansion and contraction of the solar motion: apparent motion of the sun
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6.
Slackening and hastening of the lunar motion: apparent motion of the moon
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7.
Crossing cycle of the White Way: nodical month
Chapter 8
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8.
Day and night marks: length of day and night
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9.
Eclipses: accuracy of eclipse predictions at times distant from the epoch
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10.
Corrected conjunctions: apparent conjunctions
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11.
Disuse of Accumulated Years and Day Divisor: adoption of an epoch close to the date of promulgation]
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(2009). Evaluation of the Season-Granting System. In: Granting the Seasons. Sources and Studies in the History of Mathematics and Physical Sciences. Springer, New York, NY. https://doi.org/10.1007/978-0-387-78956-9_7
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DOI: https://doi.org/10.1007/978-0-387-78956-9_7
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