Find out exactly how much time passes between two dates. Pick a start date and an end date to get the difference in years, months and days, plus the total in months, weeks and days. Free, instant and private, with no sign-up needed.
How to Use
- Pick the start date from the calendar.
- Pick the end date – it must be on or after the start date.
- Click Calculate Difference to see the gap in years, months and days, plus the totals.
Key Features
- Calendar-accurate – handles leap years and different month lengths correctly.
- Multiple totals – years/months/days plus total months, weeks and days.
- Clear validation – friendly messages if a date is missing or out of order.
- 100% private – everything runs in your browser; nothing is sent anywhere.
FAQs
Is this date difference calculator free?
Yes. It is completely free with no sign-up and no limits.
Does it handle leap years?
Yes. The calculator uses real calendar dates, so 29 February and months of different lengths are counted correctly.
What is the difference between days and total days?
The days figure is the leftover days after full years and months are counted, while total days is the complete gap from start to end.
Is my data stored anywhere?
No. The calculation runs entirely in your browser and nothing is transmitted or saved.