Date Difference Calculator
Calculate the exact time between two dates in days, weeks, months and years — plus working days, hours and minutes — with the option to include the end date.
This tool runs entirely in your browser.
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How to use the Date Difference Calculator
- 1Enter the start and end dates.
- 2Choose whether to include the end date.
- 3Read the difference in several units.
What is the Date Difference Calculator?
“Include end date” adds one day, which is what you want when counting days of an event (Monday to Friday is 5 days), but not for durations like nights in a hotel (4 nights).
Frequently asked questions
Does it account for leap years?
Yes. Calculations use the real calendar, including 29 February in leap years.
Is the Date Difference Calculator free and private?
Yes. The Date Difference Calculator is free, needs no account, and runs entirely in your browser. What you type is never sent to a server or stored.
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