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明·万民英 · Chapter 625 / 1491

卷13·则自缺而之圆在下

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Chapter 625 of 1491

则自圆而之缺。要论太阴得时,须是秋蟾升殿是也。然日月晦蚀,皆由罗计,而罗计相逢,最嫌朔望。使日在井之十三,而罗在井之十五,火在井之十一,是谓合来须相克也。使日在井之十五,罗在井之初一,火在井之二十九,是谓背去,有何妨也。碧玉云:日蚀朔,月蚀望,始为蚀神。阴忌计阳忌罗,名为忌曜。日火月土莫临十五度之中。阴计阳罗怕在二三躔之内。经云:昼生掩日之辉,去父又能损巳,夜生埋月之彩,去娘又主伤妻。如此计罗,诚为恶曜,当并观之。

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