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Count business days between two dates, excluding weekends and custom holidays. See total, weekend, and holiday day breakdowns. Browser-based, no uploads.
Format: YYYY-MM-DD. Holidays on weekends are already counted as weekend days.
24
Business days
32
Total days
8
Weekend days
0
Holidays
Calculate the exact number of working days between any two dates, automatically excluding Saturdays and Sundays plus any custom holidays you paste in. The breakdown shows total calendar days, business days, weekend days, and holidays counted, so you can verify the math at a glance. Toggle whether the end date is included to match how your contract or SLA defines the period. All calculation runs locally in your browser. Useful for project managers estimating delivery timelines, HR and payroll teams computing leave and notice periods, freelancers billing by working day, and anyone planning around public holidays.
No. Working Days Calculator works right away client-side with no registration.
Yes. This tool follows a local-first approach in normal usage, so your source data stays on your device.
In most workflows, yes for practical calculations and visualization. For graded, regulated, or audited deliverables, cross-check one known sample to validate assumptions.
For typical usage, confirm units, symbols, and input assumptions before execution. Most mistakes come from mismatched units, not arithmetic. This helps keep outputs consistent across different devices.
Practically speaking, yes. Export or copy outputs after final validation so the values align with your report's expected notation, precision, and output quality. That makes the result easier to verify before publishing.
Check out our technical guides to learn more about how browser-side processing works.
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