这是一个简单易用的日期计算工具，可以帮助您计算两个日期之间的差异，或者进行日期的加减计算。
无需下载安装，即时计算，操作简单。
This is a simple and easy-to-use date calculator that helps you calculate the difference between two dates
or add/subtract days from a specific date. No download required, instant calculation.
使用方法：
How to use:
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选择计算类型（日期差异或日期加减）
Select calculation type (date difference or date add/subtract)
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输入相关日期和参数
Enter relevant dates and parameters
-
点击"计算"按钮查看结果
Click "Calculate" button to see the results
特点：
Features:
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精确计算两个日期之间的天数差异
Precisely calculate day difference between two dates
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支持日期加减天数计算
Support for adding or subtracting days from a date
-
简洁直观的用户界面
Clean and intuitive user interface
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所有计算在浏览器本地完成，不会上传您的数据
All calculations are performed locally in your browser, your data is not uploaded
