In Mesopotamia, it is thought that the Sumerians developed astronomy with their invention of the sexagesimal system, which is where 60 is the base number, which was then applied to calculating the hours of night and day.
在美索不达米亚,人们认为苏美尔人发明了

制系统,从而发展了天文学,其中 60 是基数,用于计算昼夜的时间。