Business Days Calculator — Weekdays Excluding Weekends and Holidays
Date & TimeA business days calculator counts weekdays between two dates while excluding Saturdays, Sundays, and holiday dates entered by the user.
What is it
Business days generally mean weekdays when work can happen. This tool counts Monday through Friday dates inclusively between the start and end dates, then subtracts holiday dates you enter. Holiday calendars differ by country and organization, so paste dates from your official calendar or internal schedule.
How to use
- 1Enter the start date.
- 2Enter the end date.
- 3Enter excluded holidays in YYYY-MM-DD format, one per line.
- 4Press calculate to see weekdays excluding weekends and holidays.
Reference
| Start | End | Business days |
|---|---|---|
| 2026-01-05 | 2026-01-09 | 5 |
| 2026-01-05 | 2026-01-11 | 4 |
Sources & standards
- ECMAScript Language Specification - Ecma International
FAQ
Does this exclude public holidays?
Yes. Holiday dates entered in YYYY-MM-DD format are excluded when they fall on weekdays within the selected range.
Is business days input sent to a server?
No. This tool runs in your browser and does not send input to a server.