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一天多少时间
更新时间: 2020-11-05 00:00:00  

一天有24小时,一小时有60分钟,一分钟有60秒,则一天有1440分钟,即86400秒。一天有十二个时辰,在古代先人们都是以此来计算时间的。现在,一天的时间分为二十四小时,即二个小时为一个时辰。

关键词: 多少 时间

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