怎么知道自己先天卦后天卦是什么 怎么排的
先天(tian)為(wei)(wei)體,后天(tian)為(wei)(wei)用(yong),八(ba)(ba)卦(gua)(gua)用(yong)在風水上,八(ba)(ba)字屬(shu)命理。只有八(ba)(ba)宅法有用(yong)到卦(gua)(gua)命,根據出(chu)生年(nian)份歸卦(gua)(gua)。比如(ru)(ru)說今年(nian)庚(geng)子(zi)年(nian)為(wei)(wei)兌(dui)入中(zhong),本年(nian)出(chu)生為(wei)(wei)兌(dui)命。如(ru)(ru)果要拉(la)上先天(tian)卦(gua)(gua),那么后天(tian)兌(dui)卦(gua)(gua)相(xiang)對應的先天(tian)是(shi)坎卦(gua)(gua)。
先天(tian)(tian)八(ba)卦(gua)和(he)后天(tian)(tian)八(ba)卦(gua)的區別(bie)如下:來源(yuan)不(bu)同(tong)。先天(tian)(tian)八(ba)卦(gua)相(xiang)傳(chuan)來自于河圖,后天(tian)(tian)八(ba)卦(gua)相(xiang)傳(chuan)來自于洛(luo)書。卦(gua)數對應不(bu)同(tong)。先天(tian)(tian)八(ba)卦(gua):乾兌離震巽坎(kan)艮坤八(ba)。它的中(zhong)間數為0,以代表五或十。
"震下二爻(yao)(yao)與(yu)巽上(shang)二爻(yao)(yao)交(jiao)易成(cheng)乾坤(kun)"的(de)意思就是說:"震"卦(gua)(gua)中(zhong)(zhong)的(de)中(zhong)(zhong)爻(yao)(yao)與(yu)上(shang)爻(yao)(yao)和"巽"卦(gua)(gua)的(de)中(zhong)(zhong)爻(yao)(yao)與(yu)上(shang)爻(yao)(yao)交(jiao)換,就成(cheng)了"乾"卦(gua)(gua)和"坤(kun)"卦(gua)(gua)。
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