Date Calculator: Add/Subtract for Precise Planning
Calculate future or past dates by adding or subtracting years, months, weeks, days, hours, minutes, and seconds from any date. Perfect for project planning, deadline calculations, and event scheduling with precision time management.
Result
How to Use the Date Calculator
1. Select your starting date and time
2. Choose whether to add or subtract time periods
3. Enter values for years, months, weeks, days, hours, minutes, or seconds
4. Click Calculate to see the result
Key Features
- Calculate future and past dates with precision
- Support for multiple time units
- Instant calculations with real-time validation
- Copy results with one click
Common Use Cases
- Project deadline planning
- Contract term calculations
- Event planning and scheduling
- Age calculations
Frequently Asked Questions
The calculator automatically adjusts for daylight saving time based on your system's timezone settings.
Yes, you can add or subtract any number of years, and the calculator will properly handle leap years.
The calculator automatically adjusts to the nearest valid date. For example, adding one month to January 31st will result in February 28th (or 29th in leap years).