Business Day Calculator

Calculate working days between two dates excluding weekends and holidays. Perfect for project planning, contract deadlines, invoice due dates, and business scheduling.

Calculate Working Days Between Dates

Enter your start and end dates, customize weekend days, and add holidays to get an accurate count of business days.

Enter Dates & Settings

Add Holidays to Exclude

Add holidays that should be excluded from business day calculations.

January 1, 2026
New Year's Day
December 25, 2026
Christmas Day

Tip: Business days typically exclude weekends (Saturday & Sunday) and public holidays.

Calculation Results

Business Days
Total Business Days Between Dates
0
Select dates to calculate

Breakdown

Total Calendar Days: 0
Weekend Days Excluded: 0
Holidays Excluded: 0
Business Days: 0

Did you know? Business days are used for calculating deadlines, delivery times, and payment terms in contracts.

How to Use the Business Day Calculator

Our business day calculator helps you accurately count working days for various business and personal needs.

Set Your Dates

Select your start and end dates using the date pickers. The calculator will include both the start and end dates in the calculation.

Customize Weekends

Choose which days count as weekends. The default is Saturday and Sunday, but you can customize for different work schedules.

Add Holidays

Optionally add public holidays or company-specific holidays to exclude from business day calculations.

Calculate & Review

Click calculate to get your results, including a detailed breakdown and day-by-day analysis of your date range.

Frequently Asked Questions

Common questions about business day calculations and how to use our calculator effectively.

What counts as a business day?
A business day is typically any day that is not a weekend (Saturday and Sunday) or a public holiday. However, this can vary by country, industry, and company. Our calculator allows you to customize which days count as weekends.
Are the start and end dates included in the count?
Yes, both the start date and end date are included in the business day count. For example, if you start on Monday and end on Wednesday, that's 3 business days (Monday, Tuesday, Wednesday).
Can I customize which days are weekends?
Absolutely! Our calculator allows you to choose different weekend configurations: Saturday & Sunday (standard), Sunday only, Friday & Saturday, Friday only, or no weekends at all for 7-day work weeks.
How do I add custom holidays?
First, check the "Exclude public holidays" box. Then use the holiday section to add dates. You can add any date you want to exclude - public holidays, company holidays, or personal days off.
Is this calculator free to use?
Yes, our Business Day Calculator is completely free with no registration required. You can use it as often as you need for personal or business calculations.

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