Time & Date Calculator
Date differences and business days between dates.
Result
—
Select type and dates, then click Calculate.
Date difference mode returns years, months, and days between two dates. Business day mode counts weekdays only; public holidays are not excluded in v1.
Date difference or business day counter.
End date must be on or after start date.
See total days, business days, or calendar breakdown.
Count business days from January 1 to January 31, 2026.
23 business days.
Assuming holidays are excluded
Fix: Subtract known holidays manually or confirm with your organization's calendar.
Inclusive vs exclusive end date confusion
Fix: Check whether your contract counts the end date itself.
Date differences and business days between dates.
Result
—
Select type and dates, then click Calculate.