Date Difference Calculator
Calculate time difference between two dates in days, weeks, and months.
Tool
How it works
Select two dates in any order.
The tool computes absolute difference in days, converts to weeks, and estimates full calendar months.
All calculations are deterministic and run in-browser.
Examples
Measure sprint length between planning and release dates.
Compare start and end dates of contracts or subscriptions.
FAQ
Do date order and direction matter?
No. The calculator uses the absolute difference between the two dates.
How are months calculated?
Months are counted as full calendar months between the selected dates.
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