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立夏的来历
更新时间: 2021-03-20 02:40:27  

1、立夏是古人通过观察天体运行,认知一岁(年)中时令、气候、物候等方面变化规律所形成的知识体系。

2、立夏,是二十四节气中的第7个节气,夏季的第一个节气。立夏交节时间为每年公历5月05-07日,此时北斗星的斗柄指向东南方,太阳黄经达45°。《历书》:“斗指东南,维为立夏,万物至此皆长大,故名立夏也。”立夏,是标示万物进入旺季生长的一个重要节气。立夏后,日照增加,逐渐升温,雷雨增多,农作物进入了茁壮成长阶段。

关键词: 立夏 来历

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