Business Days Calculator

Count business days between two dates (excluding weekends and optional holidays).

Business days

Include

Enter one excluded date per line in MM-DD-YYYY format. Example: 05-26-2026

Pick dates to calculate business days.

How business days are calculated

We count only business days (typically Monday–Friday) and exclude weekends. If you enable holidays, those dates are excluded too.

  • Start date: the day the count begins.
  • Target date: the end day (can be earlier or later).
  • Include: you can choose whether your UI includes the start/target day.

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Frequently Asked Questions

What counts as a business day?

Business days are the weekdays you keep enabled (typically Monday–Friday). Weekends are excluded, and optional holidays can be excluded too.

How do I include or exclude the start/end date?

Use the “Include start date” and “Include end date” toggles to control whether those days are counted.

How do I add holidays?

Enter one holiday date per line in YYYY-MM-DD format. Those dates will be excluded when holidays are enabled.

Can I change which weekend days are excluded?

Yes. Toggle Saturday and Sunday to match your work schedule or locale.

Does this consider time of day?

No. It works with calendar dates only, which helps keep results consistent.