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Overview
Key data
| Item | Detail |
|---|---|
| Period of use | 666 – 728 CE |
| Compiler | Li Chunfeng |
| Year head | Jian-yin |
Li Chunfeng and the Linde calendar
The Linde calendar was made by Li Chunfeng of the Tang, promulgated in 664 CE and replacing the Wuyin. Li was a noted astronomer, author of the Yisi zhan, annotator of the Zhoubi, and a contributor to the astronomical and calendrical treatises of the Jin shu and the Sui shu.
The calendar was used for more than sixty years and was the principal one of the early Tang.
Character
It sought economy, cutting much of the laborious eclipse computation and using interpolation instead, balancing precision with use.
Li held that a calendar should be practicable and need not follow every old procedure; this practical turn shaped Tang calendrical work.
Full text
No electronic full text of this work is available here. This calendar has no separate transmitted text; its methods survive scattered in the calendrical treatises of the standard histories. Among the histories held here, see New Tang History, Calendrical Treatise, juan 27a.
The title, date, summary and index structure compiled here are offered under CC BY 4.0 (attribution: Chujia Kuang · kuangchujia.com).
Compiled and arranged by Chujia Kuang.