黃歷里面的庚日是什么意思?
用(yong)干(gan)支來紀日(ri)時,有天(tian)干(gan)第七位“庚”字的日(ri)子。夏至三庚數伏,就是指夏至后的第三個(ge)庚日(ri)開始初伏。我國(guo)古代用(yong)天(tian)干(gan)、地支合并記載時間。
“三庚(geng)”就是從夏至起遇(yu)上3個(ge)“庚(geng)”字,到第(di)三個(ge)庚(geng)日為初伏(fu)第(di)一(yi)天(tian)(tian),第(di)四(si)個(ge)庚(geng)日為中伏(fu)第(di)一(yi)天(tian)(tian),立秋后的第(di)一(yi)個(ge)庚(geng)日是末(mo)伏(fu)第(di)一(yi)天(tian)(tian)。
指干(gan)支紀日(ri)(ri)(ri)中帶有(you)“庚”字的日(ri)(ri)(ri)子(zi),“三伏(fu)天”是(shi)按照(zhao)我(wo)國古代的“干(gan)支紀日(ri)(ri)(ri)法”確定的。每年夏至以后(hou)(hou)第(di)三個(ge)庚日(ri)(ri)(ri)(指干(gan)支紀日(ri)(ri)(ri)中帶有(you)“庚”字的日(ri)(ri)(ri)子(zi))為(wei)(wei)初伏(fu),第(di)四個(ge)庚日(ri)(ri)(ri)為(wei)(wei)中伏(fu),立秋后(hou)(hou)第(di)一(yi)個(ge)庚日(ri)(ri)(ri)為(wei)(wei)末伏(fu),合起(qi)來(lai)稱為(wei)(wei)三伏(fu)。
是第一個庚(geng)(geng)(geng)(geng)日(ri)(ri),07月08日(ri)(ri)(庚(geng)(geng)(geng)(geng)辰),是第二個庚(geng)(geng)(geng)(geng)日(ri)(ri);到07月18日(ri)(ri)(庚(geng)(geng)(geng)(geng)寅(yin)),是第三個庚(geng)(geng)(geng)(geng)日(ri)(ri),此日(ri)(ri)開(kai)始數伏,為初伏。……你的問題(ti):從(cong)一庚(geng)(geng)(geng)(geng)到二庚(geng)(geng)(geng)(geng),是10天。從(cong)二庚(geng)(geng)(geng)(geng)到三庚(geng)(geng)(geng)(geng),又(you)是10天,從(cong)三庚(geng)(geng)(geng)(geng)到四庚(geng)(geng)(geng)(geng),又(you)是10天。余類推。
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