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📅 Business Days Calculator
Count working days between two dates, excluding weekends and optional holidays. Ideal for project planning and SLAs.
Business Days Calculator
Count working days between two dates, excluding weekends and optional custom holidays. Great for project planning, SLAs, and scheduling.
Date range
Start date
End date
Optional holidays (one YYYY-MM-DD per line)Holidays on weekends are redundant but harmless—weekends are excluded automatically.
business days calculatorwork days between dates
Results
Total days (inclusive)
1
Business days (Mon–Fri, excluding holidays)
1
How to use this tool
- Enter a start and end date for your schedule or project.
- Optionally list public holidays or company shutdown days to exclude.
- Use the business day count to plan SLAs, timelines, or working time.
Work days calculator for planning
- Track how many working days exist between two calendar dates.
- Quickly estimate how many days a team has to complete a task.
- Use the output together with time tracking tools for more detailed planning.
Assumptions behind this business day calculator
- Treats Saturday and Sunday as non-working days.
- Assumes holidays are full non-working days when listed.
- Counts both start and end dates when they are working days.
FAQ
- Can I change which days count as weekends?
- This version assumes a standard Monday–Friday work week. For custom calendars, you can adjust results manually.
- How do partial working days affect the count?
- This calculator counts whole working days only. For partial days or half-days, you may need to adjust the total yourself.
- Does it handle time zones?
- Dates are interpreted in your browser’s local time zone. For most planning purposes this is sufficient.
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