Date Difference Calculator – Calculate Days Between Two Dates
Date Difference Calculator
Calculate the exact difference between two dates in days, weeks, months and years.
Start Date
End Date
Calendar Difference
Date Range
Weekday Count
Free Online Date Difference Calculator
Calculate the difference between two calendar dates in years, months and days, along with total days, weeks, hours and minutes. You can also count both the start and end dates when an inclusive result is needed.
How to Use the Date Difference Calculator
- Select the start date.
- Select the end date.
- Optionally enable Count both start and end dates.
- Click Calculate Difference.
- Review the calendar difference, totals, date direction and weekday counts, or copy the result.
What the Date Calculation Shows
The tool displays a calendar difference in years, months and remaining days. It also converts the selected range into total days, weeks, hours and minutes and counts how many Sundays through Saturdays occur in the calculated range. By default the end date is excluded from the day count; inclusive mode adds it.
Frequently Asked Questions
What does the Date Difference Calculator calculate?
It calculates the calendar difference in years, months and days and also shows total days, weeks, hours and minutes.
Can I count both the start and end dates?
Yes. Enable the inclusive option to count both dates. Without it, the standard day difference excludes the end date.
What happens if the start date is later than the end date?
The calculator still determines the difference and shows the direction of the entered date range.
Does the calculator count weekdays individually?
Yes. It shows separate counts for Sunday, Monday, Tuesday, Wednesday, Thursday, Friday and Saturday across the calculated range.
Which calendar does the tool use?
The calculation uses the browser's local calendar for the dates you select.