💼 工作日计算器Business Days Calculator
计算两个日期之间的工作日天数（排除周末和自定义节假日），或某日期加 N 个工作日。Count working days between dates (excluding weekends and custom holidays), or add N business days.
使用说明与常见问题How-to & FAQ
「工作日计算器」是什么？What is the Business Days Calculator tool?
计算两个日期之间的工作日天数（排除周末和自定义节假日），或某日期加 N 个工作日。Count working days between dates (excluding weekends and custom holidays), or add N business days.
如何使用「工作日计算器」？How do I use the Business Days Calculator tool?
在「工作日计算器」中，填写「开始」、「结束」、「加工作日(可选)」等参数，结果会随输入实时计算并显示在下方。In the Business Days Calculator: Fill in "Start", "End", "Add business days (optional)"; results are recalculated instantly as you type.
和时区有关吗？Do time zones matter?
无关。「工作日计算器」按你选择的日期逐日计数，不读取设备时间；日期按日历逐日递增，所以时区和夏令时不影响天数。No. The Business Days Calculator counts day by day between the dates you choose and never reads the device clock; it steps through calendar days, so time zones and daylight saving time do not change the counts.
「工作日计算器」免费吗？需要注册吗？Is the Business Days Calculator free? Do I need an account?
「工作日计算器」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 Business Days Calculator is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.