Date Calculator日期计算器
Calculate days between dates and add or subtract days from any date.计算两个日期间隔，并对任意日期添加或减去天数。
Your files are processed entirely in your browser. Nothing is uploaded to any server.所有文件均在浏览器本地处理，不会上传到服务器。
About this tool工具说明
Calculate days between dates and add or subtract days from any date. Works directly in your browser - no software to install, no account required, completely free.计算两个日期间隔，并对任意日期添加或减去天数。
FAQ常见问题
Can it calculate business days?
Yes. It counts weekdays between the selected dates.
Can I add or subtract days?
Yes. Enter an offset and choose add or subtract.
Is this different from timestamp conversion?
Yes. This is for calendar date math, while Timestamp Converter handles Unix timestamps.
可以计算工作日吗？
可以，会统计所选日期之间的周一到周五。
可以添加或减去天数吗？
可以，输入偏移天数并选择添加或减去。
和时间戳转换有什么区别？
本工具用于日历日期计算，时间戳工具用于 Unix 时间戳。
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