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Business Days Calculator — result sheet
Count weekdays between two dates with explicit endpoint rules and your own holiday list.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Business days = selected Monday–Friday dates between the endpoints minus listed holidays.
Count working weekdays with endpoint choices and an explicit holiday list. This avoids silently assuming a country's public-holiday calendar.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Start date
- End date
- Include start date — 2 choices
- Include end date — 2 choices
- Holidays to exclude (optional) — Enter YYYY-MM-DD dates separated by commas or spaces; no country calendar is assumed.
Worked example
| Input | Value |
|---|---|
| Start date | 2026-01-01 |
| End date | 2026-01-31 |
| Include start date | yes |
| Include end date | yes |
| Holidays to exclude (optional) |
22 business weekdays across 31 calendar days.
Assumptions and limits
- Saturday and Sunday are non-business days.
- Only holidays entered by the user are excluded; substitute workdays are not inferred.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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