Date Difference Calculator
Find the duration between two dates in days, weeks, and months.
FreeNo sign-upRuns on your device
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Result
Total days
Weeks + days
Weekdays
How to use this tool
Choose the start and end dates, then select Calculate. The tool shows calendar duration and total elapsed days.
Frequently asked questions
Does it include both dates?
The total days value measures elapsed time. You can enable inclusive counting when you need both endpoints counted.
Are dates uploaded?
No. The calculation runs in your browser.