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Lüli zhi 律曆志

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Lüli zhi 律曆志 "Treatise on the Pitchpipes and the Calendar" is a type of treatise on musical pitchpipes, weights and measures, and the calendar. This kind of treatise is part of the monographic chapters in the official dynastic histories and also in some a href="../Science/leishu.html">encyclopedias, for example, the Qunshu kaosuo 群書考索 (Shantang kaosuo 山堂考索). The term is first used in Ban Gu's 班固 history Hanshu 漢書, where the history of weights and measures and the Chinese calendar is described. Part of this treatise is the explanation of the calculation of the musical pitchpipes and their relation to the universe, according to correlative thinking. Ban Gu's monography is a more systematic development of Sima Qian's 司馬遷 treatises Lüshu 律書 and Lishu 曆書 in the history Shiji 史記 which are both only transmitted with a lot of textual errors due to an imperfect state of the bamboo slips of the respective chapters. For the history of the calendar, the Taichu reform of 104 (the Taichu Calendar 太初曆) is very important that was undertaken by the astronomers Deng Ping 鄧平 and Luo Xiahong 落下閎. The Lüli zhi explains the calendric treatise Santong lipu 三統曆譜, which was one of the oldest books on the calendar, but has not survived. The treatise included a theoretical explanation of the meaning of the calendar as well as a concrete description of the solar terms (jieqi 節氣), the beginnings of the months on new moon days (shuowang 朔望), lunar and solar eclipses and the movements of the five planets (wuxing 五星: Mercur, Venus, Mars, Jupiter and Saturn), and the method to calculate the position of the starry constellations through the year (tuibu fangfa 推步方法).
Calendric treatises are to be found in the official dynastic histories Houhanshu 後漢書, Jinshu 晉書, Songshu 宋書, Weishu 魏書, Suishu 隋書, Jiutangshu 舊唐書, Xintangshu 新唐書, Jiu Wudaishi 舊五代史, Songshi 宋史, Liaoshi 遼史, Jinshi 金史, Yuanshi 元史, Mingshi 明史, Qingshigao 清史稿 and Xin Yuanshi 新元史. Of these, the Hanshu, Houhanshu, Jinshu, Songshu, Weishu, Suishu and Songshi merge the themes pitchpipes and measures with that of the calendar (the treatise has therefor the title Lüli zhi), while the others (except the Shiji) have no treatise on pitchpies (the treatise having the name Li zhi 曆志). All of these histories (except the Liaoshi) additionally include a separate treatise on astonomy and astrology (Tianwen zhi 天文志).

Source: Zhan Huifeng 湛穗豐 (1997), "Hanshu lülizhi 漢書•律歷志", in Men Kui 門巋, Zhang Yanqin 張燕瑾 (ed.), Zhonghua guocui da cidian 中華國粹大辭典 (Xianggang: Guoji wenhua chuban gongsi), p. 303.

October 22, 2013 © Ulrich Theobald · Mail
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