sidereal calendar

Japanese: sidereal calendar(英語表記)siderealcalendar
sidereal calendar

…Although there is uncertainty about the dates when natural phenomena occur in such natural calendars, they are designed to be used consistently without any significant deviations. A sidereal calendar is one in which the beginning of the year is determined by the appearance of a particular star or constellation on the eastern horizon or at sunset. The most well-developed version of this type of calendar is found in Micronesia. …

*Some of the terminology that mentions "sidereal calendar" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…このような自然暦では,それらの自然現象の出現日の不確定性はあるものの,永続して使用する暦としては大きなずれは起きないしくみとなっている。 日没時に東の水平線あるいは地平線に特定の星あるいは星座が出現する日を年の始めとするのは星座暦sidereal calendarと呼ばれる。この種の暦でもっともよく発達した暦はミクロネシアに見られる。…

※「sidereal calendar」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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