* [CITE[Calendrical Calculations]]

- [1] [CITE[Calendrical Calculations]]
- [2] [CITE[Calendrical Calculations, II: Three Historical Calendars]]

[3] [[Common Lisp]] のプログラムが収録された[[論文]]。詳しくは >>4 参照。

[11] [CITE[Calendrical Calculations]], [TIME[2022-11-07T06:33:01.000Z]], [TIME[1997-05-06T10:43:31.366Z]] <https://web.archive.org/web/19970506103850/http://emr.cs.uiuc.edu/home/reingold/calendar-book/>


[15] [CITE[Wayback Machine]], [TIME[2023-07-04T14:52:50.000Z]] <https://web.archive.org/web/20030425150052/http://emr.cs.iit.edu/home/reingold/calendar-book/second-edition/errata.pdf>

- [14] 
[CITE@en-us[Amazon.co.jp: [[Calendrical Calculations]]: The Ultimate Edition : Reingold, Edward M: Foreign Language Books]], [TIME[2023-03-16T09:35:29.000Z]] <https://www.amazon.co.jp/exec/obidos/ASIN/1107683165/wakaba1-22/>


* Emacs

[12] [CITE@ja[Emacsと暦 - [[Qiita]]]], [TIME[2023-02-06T05:32:23.000Z]] <https://qiita.com/kawabata@github/items/04c67296123c6394a273>

[13] 
関連:
[[干支年]],
[[黄帝紀年]]

* C, Ruby, Python

- [4] [CITE@ja[calendar]], [TIME[2022-06-20T09:56:17.000Z]], [TIME[2004-07-02T23:18:11.673Z]] <https://web.archive.org/web/20040702225120/http://www.funaba.org/calendar.html>

[5] [[旧暦]]に対応しているが、 >>1 は[[中国暦]]の簡単な説明だけなので、
このソフトウェアでの独自部分。

[6] [CITE@en[GitHub - kyungbae/calendar: Old Calendar gem (1.11.4)]], [TIME[2022-06-20T09:58:19.000Z]] <https://github.com/kyungbae/calendar>

[7] [CITE@en[calendar/qref.c at master · kyungbae/calendar · GitHub]], [TIME[2022-06-20T09:58:32.000Z]] <https://github.com/kyungbae/calendar/blob/master/ext/calendar/qref.c>

[8] [[qreki.rb]] も参照。


- [9] [CITE@ja[[[旧暦]]Bot - 研究室]], [TIME[2022-07-15T11:52:54.000Z]], [TIME[2012-01-23T06:43:13.406Z]] <https://web.archive.org/web/20120123064157/http://www.antimon2.atnifty.com/lab/sb2-qreki/>
- [10] [CITE@ja[[[旧暦]]Bot(@Sb2_qreki)さん / Twitter]], [TIME[2022-07-15T11:45:33.000Z]], [TIME[2022-07-15T11:53:41.545Z]] <https://twitter.com/Sb2_qreki>


* メモ