崇天历 Northern Song · Song Xinggu

Overview

Promulgated in 1024 CE under Song Xinggu and used for forty years.

Key data

Item	Detail
Period of use	1024 – 1063 CE
Compiler	Song Xinggu
Year head	Jian-yin

Development

The Chongtian calendar was made by Song Xinggu, promulgated in 1024 CE and used until 1063 — forty years, among the longer uses of the Northern Song.

Shen Kuo and reform

Shen Kuo criticized the calendar’s faults and urged reform. In the Mengxi Bitan he proposed a “twelve qi calendar” — months fixed by solar terms rather than by new moons. Not adopted then, its idea resembles the solar calendar and was far ahead of its time.

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 Songshi, Calendrical Treatise, juan 74.
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.

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