Date Difference Calculator
Calculate the exact duration between two dates.
About the Date Difference Calculator
Calculate the exact duration between two dates in years, months, days, and working days.
Private by design
Everything you type here is processed inside your browser. Nothing is sent to a server, logged or stored, so it is safe to use with real numbers, drafts and anything you would not paste into a hosted tool.
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Questions people ask
How do I calculate the number of days between two dates?
Enter a start date and end date. The tool calculates the exact difference in years, months, days, total days, and working days.
Does it count weekends and holidays?
The tool shows both total calendar days and working days (excluding weekends). Public holidays are not excluded as they vary by location.
Can I calculate dates in the past?
Yes. Enter any two dates — past, present, or future — and the tool calculates the duration between them.