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23周是几个月

更新时间: 2020-10-28 00:00:00     

23周等于5.36666666667月。一个月按照4周计算,一周七天,一个月有30天或31天,2月份28天若闰月为29天,所以一个月一般为4周多个一两天。月是历法中的一种时间单位,传统上都是以月相变化的周期作为一个月的长度,一个月(太阴月)的长度大约是29.53日,即一轮“朔望月”。在旧石器时代的早期,人类就已经会依据月相来计算日子。迄今,朔望月仍是许多历法的基石。一年分为12个月。

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