Also known as lunar calendar with corrections to match it to the length of the solar year
曆法
A lunisolar calendar combines the Sun's yearly cycle with the Moon's monthly phases, so it tracks both solar seasons and lunar months at the same time. This matters because it allows calendars to stay aligned with seasonal changes in nature while also following the Moon's visible cycle, which many cultures find important for religious observances and daily life.
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阴阳合历,又稱太陰太陽曆,是許多文化採用的曆法,其日期採朔望月以指示月球的相位,年則與太陽相關,利用天文學觀察兼顧月相週期和太陽週期運動所安排,且一年的月數必須是整數。 採用陰陽合曆的主要目的是配合季節,因此需要安排閏月來調整,大多數年份有12個朔望月,閏年就會有13個月。連續十九年為一章,其中安置七個閏月置閏,使曆年的平均值大約與「地球公轉一年」相當(大多採用回歸年定義,也有採用恆星年定義者)。構成陰陽合曆的曆年連續19年一套可名為陰陽章曆,四章連續一套為一蔀(詳見史記曆書),可名為陰陽蔀曆。俗稱農民曆的夏曆就是陰陽合曆之一種。陰陽合曆制中單一一曆年,其月數、日數不定。
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).