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.
Why client-side?
Every byte you paste, type, or upload here is processed entirely inside your browser. Nothing is sent to a server, logged, or stored. That means it's safe to use this tool on production secrets, customer data, internal logs, and any input you would not paste into a hosted SaaS formatter.
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Frequently Asked Questions
- 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.