Business days count

Client

Mon–Fri day count inclusive.

Business days between dates

Counts Mon–Fri inclusive between two ISO calendar dates—does not subtract public holidays unless you extend the logic offline. Processing runs in your browser—Toolcore does not need your paste for the core operation on this page.

Gregorian calendar math—confirm timezone for audit logs.

How to use

Paste or type in the main field, then read the output below. Use Load example when available, or open the page with ?q= / ?qb= so tickets and agents share the same input.

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Nearby workflows on Toolcore

  • Business days calculator — Count weekdays (Mon–Fri) between two calendar dates—inclusive, computed in your browser. Useful when dates should align with ISO week or business days.
  • Unix timestamp converter — Epoch to date: seconds, milliseconds, ISO-8601, UTC and local time—in browser. Useful when dates should align with ISO week or business days.
  • Schedule tools — Unix epoch and ISO conversion, ISO-8601 duration parse/build, cron expression parsing, and multi time zone comparison—index of time utilities; each tool keeps data in your tab. Useful when dates should align with ISO week or business days.
  • ISO-8601 duration — Parse P…/PT… into labeled parts and plain English, or build normalized duration strings—local only. Useful when dates should align with ISO week or business days.

Common use cases

  • Business days count for quick local checks without uploading data.
  • Copy results into tickets, docs, or classroom notes.

Common mistakes to avoid

  • Unexpected input shape

    See the intro and how-to notes for accepted formats.

FAQ

Is processing local?

Yes—this runs entirely in your browser.

Agent prefill?

Use q or qb for the main text field when supported.

More tools

Related utilities you can open in another tab—mostly client-side.