Date Difference Calculator
Calculate calendar, week, month, and weekday differences between two dates.
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About Date Difference Calculator
Date Difference Calculator calculates calendar days, weeks, calendar months, or weekdays between two selected dates.
How to use Date Difference Calculator
- Select start date and end date.
- Choose calendar days, weeks and days, calendar months and days, or weekdays.
- Choose whether to include the end date, then click Calculate.
Examples
Start Date: 1 Jan 2026, End Date: 15 Jan 2026 Result: 14 calendar days, or 10 weekdays excluding the end date
FAQ
Does weekday mode calculate business days?
It excludes Saturdays and Sundays. Bank holidays and custom working-day calendars are not applied.
Can I include the end date?
Yes. Select Include end date before calculating to count the end date in the result.