日期计算器
可对任意日期进行年、月、周、日、小时、分钟或秒的加减运算。非常适合用于截止日期计算、计划安排和日期运算。
配置上述计算以查看结果
How to Add or Subtract Time
Quickly calculate future or past dates by adding or subtracting years, months, days, hours, and minutes.
1. Set Start Date
Choose your reference point. Use "Now" for real-time calculations.
2. Pick Duration
Use quick presets like "1 year" or type a custom string like "2w 3d".
3. Toggle Operation
Switch between adding or subtracting time to find future or past dates.
Complex Date Logic
Our algorithm correctly handles varying month lengths, leap years, and daylight saving time transitions.
Example: Adding 1 month to January 31st correctly results in February 28th (or 29th in a leap year).
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Frequently Asked Questions
为什么要使用我们的日期加减计算器？
Quick Presets
One-click durations from 15 minutes to 1 year.
自定义持续时间
可以加减任意组合的时间单位。
Add or Subtract
Calculate future dates or find past dates.
Export & Share
Export to calendar apps or share results instantly.