How to calculate business days between two dates
- Select your Start Date and End Date.
- Review the exact count of business days (Monday–Friday), weekend days, total weeks and calendar days.
- Switch to "Add / Subtract Time" mode if you need to find a target date X days or months ahead.
Accurate project, shipping and legal timelines
Contracts, shipping estimates, notice periods and sprint schedules are almost always measured in working days rather than calendar days. This calculator automatically separates Monday–Friday weekdays from Saturday–Sunday weekends so you can plan deadlines without counting on a wall calendar.
Frequently asked questions
Are weekends excluded from the business days count?
Yes. Saturdays and Sundays are excluded from the business days total and shown separately in the breakdown.
Can I add or subtract days from a specific date?
Yes. Use the Add / Subtract tab to add or subtract any combination of years, months, weeks and days.
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