Free Date Calculator

Add or subtract days, weeks, months, and years from a date to calculate a future or past date with our free tool.

Your result will appear here

Enter a duration and calculate.

How to Use This Date Calculator

This tool helps you calculate future or past dates by adding or subtracting time.

  • Set Start Date: Choose a starting date (defaults to today).
  • Enter Duration: Input the number of years, months, weeks, or days you want to add or subtract.
  • Calculate: Click "Add" or "Subtract" to see the resulting date.

Real-Life Examples

📅 Event Planning

If a wedding is on October 26th and you need to start baking 3 days before, use this tool to find your start date (Subtract 3 days).

🍞 Baking Schedules

You bake a fruitcake on November 15th and it needs to age for 6 weeks. Calculate the ready date by adding 6 weeks.

Frequently Asked Questions

Does it handle leap years?
Yes, the calculator correctly handles leap years when adding or subtracting time.