⌛ 近点年 ↔ 朔望月Anomalistic year to Synodic month
近点年与朔望月互算（1 a anom = 12.3688567 mo syn）。本地换算，附常用相关单位。Convert anomalistic year and synodic month (1 a anom = 12.3688567 mo syn). Runs locally with related units.
点击任意一行可复制该结果；小于 0.0001 或不小于 10¹⁵ 的数值用 × 10ⁿ 科学计数法显示Click any row to copy that result. Values below 0.0001 or at least 10¹⁵ are shown in × 10ⁿ notation
使用说明与常见问题How-to & FAQ
「近点年 ↔ 朔望月」是什么？What is the Anomalistic year to Synodic month tool?
近点年与朔望月互算（1 a anom = 12.3688567 mo syn）。本地换算，附常用相关单位。Convert anomalistic year and synodic month (1 a anom = 12.3688567 mo syn). Runs locally with related units.
如何使用「近点年 ↔ 朔望月」？How do I use the Anomalistic year to Synodic month tool?
在「近点年 ↔ 朔望月」中输入数值并选择原单位，表格会同时列出换算到所有其他单位的结果，可一键复制。Enter a value in the Anomalistic year to Synodic month and choose the source unit; the table shows the value in every other unit at once, ready to copy.
1 近点年等于多少朔望月？How many synodic month in 1 anomalistic year?
1 a anom = 12.3688567 mo syn（按国际定义系数）。1 a anom = 12.3688567 mo syn (international definition).
如何把近点年换算成朔望月？How do I convert anomalistic year to synodic month?
结果 = 数值 × 12.3688567。例如 1 a anom = 12.3688567 mo syn。result = value × 12.3688567. Example: 1 a anom = 12.3688567 mo syn.
近点年/朔望月属于哪类单位？What kind of units are anomalistic year/synodic month?
二者同属「时间」量纲，可安全互算；也可打开「time-unit-converter」做多单位对照。Both are time units; see also the time unit converter hub.
换算系数准确吗？Are the conversion factors exact?
「近点年 ↔ 朔望月」采用国际单位制（SI）或公认标准中的定义值作为换算系数，结果保留约 10 位有效数字。The Anomalistic year to Synodic month uses factors defined by the SI or other recognised standards and shows about 10 significant digits.
「近点年 ↔ 朔望月」免费吗？需要注册吗？Is the Anomalistic year to Synodic month free? Do I need an account?
「近点年 ↔ 朔望月」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Anomalistic year to Synodic month is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.