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Date Calculator

Mode
Start date
End date
Result

How to Use


Select a mode: Date Difference calculates the time between two dates. Add/Subtract Days calculates a new date by adding or subtracting days from a start date.

Features


Date difference shows the breakdown in years, months, and days, plus total days and weeks. Add/subtract mode accepts negative numbers to go backward in time. Leap years are accounted for in all calculations.

Privacy


All processing happens in your browser. No data is sent to any server.