跟以后接納的24小時計時差別,咱們伶俐的老先人按照本身對天然界紀律察看和總結將一日夜換分為十二段,每段為一個時候。一個時候同等于此刻的2個小時。
十二(er)時(shi)(shi)(shi)(shi)候計(ji)時(shi)(shi)(shi)(shi)法從西周時(shi)(shi)(shi)(shi)已利用,所(suo)謂汗(han)青悠長。12時(shi)(shi)(shi)(shi)候以十二(er)地(di)支起(qi)名,別離為:子時(shi)(shi)(shi)(shi)、丑時(shi)(shi)(shi)(shi)、寅時(shi)(shi)(shi)(shi)、卯時(shi)(shi)(shi)(shi)、辰(chen)時(shi)(shi)(shi)(shi)、巳時(shi)(shi)(shi)(shi)、中午、未時(shi)(shi)(shi)(shi)、申時(shi)(shi)(shi)(shi)、酉(you)時(shi)(shi)(shi)(shi)、戌時(shi)(shi)(shi)(shi)、亥時(shi)(shi)(shi)(shi)。