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如何计算某一天是星期几
更新时间: 2020-07-01 00:00:00  

一年为52周+1天,即一年后的同一天在星期几上后错一天,当年的日期也可以作类似计算,方法为:

1、背下某一个月的日历,如1月;

2、算出同一年指定一天的日子,如三月十五,则以一月十五星期几加3;

3、算出任一年同一日子星期几,如五年后,则以2中结果加6或7,看有几个闰年。

关键词: 如何 计算 星期

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