Description: 一般来说，一个月是与月球绕地球运动有关的时间间隔。月份有不同的类型，每种类型都与月球轨道及其在天球上的运动有关。各种类型的月份包括：朔望月（基于月相周期）；恒星月（基于与恒星的相对位置）；近点月（基于月球的视大小，这与月球的椭圆轨道及其与地球的距离有关）；交点月（基于月球在天球上的运动）。这些月份的长度各不相同，介于 27 天到 29 天不等。世界各地不同文化的日历都与不同类型的月份相吻合，宗教节日也标志着月亮的不同周期。

Related Terms:

• 历法
• Lunar Phase
• Moon

Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher
The translation of this term and its definition is still awaiting approval

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