Business Days Calculator
Calculate the number of working days between two dates, excluding weekends and optional holidays. Perfect for project planning, deadline tracking, and business scheduling.
How to Use This Calculator
- Select your start date using the date picker
- Select your end date using the date picker
- Toggle Exclude Holidays if you want to subtract specific holidays from the count
- If excluding holidays, enter dates in YYYY-MM-DD format (e.g., 2026-12-25)
- Click Calculate Business Days to see the result
What Are Business Days?
Business days are working weekdays (Monday through Friday) excluding weekends (Saturday and Sunday). This calculator also allows you to exclude public holidays and other non-working days specific to your region or organization.
Common Use Cases
- Project Planning: Estimate realistic timelines for project deliverables
- Contract Management: Calculate notice periods and contract terms
- Payroll Processing: Determine working days for salary calculations
- Service Level Agreements: Track SLA compliance with business day metrics
- Shipping & Delivery: Calculate delivery timeframes using business days
Important Notes
- The calculation includes both the start and end dates
- Weekends (Saturday and Sunday) are automatically excluded
- Holiday dates must be entered in YYYY-MM-DD format
- Duplicate holidays are automatically handled
- The calculator works for dates in any year