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Overview
Key data
| Item | Detail |
|---|---|
| Period of use | 762 – 784 CE |
| Compiler | Guo Xianzhi |
| Year head | Jian-yin |
Development
The Wuji calendar was made by Guo Xianzhi and others, promulgated in 762 CE, replacing the Dayan and used until 784.
It largely followed the Dayan framework with minor adjustments, with little innovation — one link in the succession of late Tang calendars.
Background
After the Dayan, Tang calendars changed repeatedly with limited innovation. After the An Lushan rebellion the state’s surveys and calendar checks weakened, and precision advanced more slowly.
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 29.
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.