火珠林

占天時

火珠林 · 題麻衣道者

1

若問天時,須詳內外;

2

互換干合,方明定體。

3

仰觀天象者,干;俯察地理者,支。先看內卦有合無合,次看外卦定體。甲己化土,陰云;丁壬化木,生風;乙庚化金,作雨;丙辛化水,必雨;戊癸化火,主晴。內外無合,次明定體。定體者,看外卦取,獨發論變。乾日月星,坤沙石霧,震雷霆電,巽風、離晴、坎雨、艮陰、兌甘澤。

4

或問:互換干合,如何互換?

5

答曰:甲日占得離卦,甲己合,則主阻云也;壬日占得兌卦,丁壬作合木,木世主生風,此化氣也。若內外卦不與日干合,看外卦以十干求之,以日干落在何宮,假如己末日占得大有卦,日干落在離宮,主晴,己日占得既晴,則日干無所落,便可斷陰云矣。

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