Date Difference Calculator
Calculate the exact difference between two dates in years, months, days, weeks, hours and minutes.
How to Use the Date Difference Calculator
Select a start date and an end date to instantly calculate the difference between them. The tool shows the result as years, months and days, plus total days, weeks, hours and minutes.
Use Cases
- Project planning — find how many days between milestones
- Age calculation — exact time between two dates
- Event planning — days until a deadline or event
- Legal and financial — count calendar days between dates
Frequently Asked Questions
Does the order of dates matter?
No. The calculator always finds the absolute difference regardless of which date is earlier.
Does it account for leap years?
Yes. The calculation uses JavaScript Date objects which handle leap years and varying month lengths correctly.
Is my data stored anywhere?
No. Everything runs locally in your browser. No data is sent to any server.
How are months calculated?
Months are calculated based on actual calendar months, accounting for different month lengths (28-31 days).
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