Date Difference Calculator
Find the number of days, weeks, months and years between two dates.
Runs in your browser — files never leave your device
365
Days
52
Weeks
11
Months
0
Years
How it works
Choose two dates to see the gap in days, weeks, months and years.
Reverse the order for a negative (countdown) result.
Frequently asked questions
- Are weeks/months/years exact?
- Days are exact; weeks, months and years are whole-unit approximations (months ≈ 30.44 days, years ≈ 365.25).
- Is my data uploaded?
- No — it runs in your browser.
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