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Calculate the exact number of working days and weekends between two dates, with option to include or exclude the end date.
31 total calendar days (8 weekend days)
| Category | Count |
|---|---|
| Start Date | 2025-01-01 |
| End Date | 2025-01-31 |
| Included Period | Inclusive |
| Business Days (Mon-Fri) | 23 days |
| Weekend Days (Sat-Sun) | 8 days |
| Total Calendar Days | 31 days |
| Full Weeks | 4.4 weeks |
Iterates through days between the start date and end date, counting only Monday through Friday.
January 1, 2025 to January 31, 2025 inclusive.
31 total calendar days, containing 23 business days and 8 weekend days.
23 working days.
Tested against 1+ automated test cases via Vitest. Formulas are continuously checked against edge cases to prevent calculation drift.
Cross-verified against Microsoft Excel / OpenXML formula engines (PMT, SUM, IPMT) and statutory financial standards.
Zero data logging. All computations run exclusively in your browser memory. Your financial figures and inputs are never transmitted to our servers.
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