{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"fa3bee61-e882-42bc-89bc-c63de89efec1","title":"时间的观念","author":null,"edition":null,"publisher":null,"year":null,"isbn":"7301112599","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"fa3bee61-e882-42bc-89bc-c63de89efec1","id":"fa3bee61-e882-42bc-89bc-c63de89efec1","uuid":"fa3bee61-e882-42bc-89bc-c63de89efec1","title":"时间的观念","normalized_title":"时间的观念","author":null,"edition":null,"publisher":null,"year":null,"isbn":"7301112599","isbns":["7301112599"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":239,"navigation_url":"https://workshop.closeclaw.top/ai/book/fa3bee61-e882-42bc-89bc-c63de89efec1","title_url":"https://workshop.closeclaw.top/ai/title/%E6%97%B6%E9%97%B4%E7%9A%84%E8%A7%82%E5%BF%B5","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/fa3bee61-e882-42bc-89bc-c63de89efec1/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/fa3bee61-e882-42bc-89bc-c63de89efec1/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/fa3bee61-e882-42bc-89bc-c63de89efec1","page_url":"https://workshop.closeclaw.top/api/ai/books/fa3bee61-e882-42bc-89bc-c63de89efec1/page","search_url":"https://workshop.closeclaw.top/api/ai/books/fa3bee61-e882-42bc-89bc-c63de89efec1/search"},"page":{"printed_page":15,"pdf_page":36,"physical_index":36,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"a97b7dd3dc0df21acf6a4186d299c658099f30caa90f886a6802e610df1e6d42"},"chapter":"第一章","content":"第三类历法是阴阳合历，其代表是我国传统的农历。它同时顾及太阳和太阴(月亮)的周期运动，每月的日数平均约等于朔望月，每年的日数平均约等于回归年。农历的阳历的成分是二十四节气，它按照太阳运动编就，反映四季的变化，但其来源是大地上的物候变化。从二十四节气的名字即可见一斑：\n\n春天：立春、雨水、惊蛰、春分、清明、谷雨\n\n夏天：立夏、小满、芒种、夏至、小暑、大暑\n\n秋天：立秋、处暑、白露、秋分、寒露、霜降\n\n冬天：立冬、小雪、大雪、冬至、小寒、大寒\n\n每月有两个气，前一个叫节气，后一个叫中气。\n\n由于要同时照顾太阳和太阴的周期运动，阴阳合历需要更为复杂的置闰规则。不仅同阳历一样要闰日，即为了趋近回归年长度的小数部分，在某些闰年多加一天，而且为了协调阳历与阴历，还加上闰月——在某些闰年多加一个月。闰月是阴阳历特有的置闰规则。大约在公元前6世纪的春秋时代，中国天文学家已经发现了“十九年七闰法”，即在19个阴历年中加入7个闰月，就能与19个回归年长度基本相当，相差只有0.0892天。闰月如何安置也有讲究。西汉以前，只是简单地将闰月置于年末。后来，人们发现，由于每两个节气或中气间的平均长度(阳历月)比一个朔望月(阴历月)的长度长近一天，因此，中气的位置将逐(阴历)月推迟一\n\n第一章/导论：两种原型时间经验\n\n15","previous_page":14,"next_page":16}