Date & Time
Business Days Calculator
Calculate business days between two dates, excluding weekends and holidays.
Comptez les jours ouvrables entre deux dates
Calculation Modes
Days Between Dates
Count business days between two dates (excluding weekends).
Add Business Days
Find the date N business days after a start date.
Subtract Business Days
Find the date N business days before a target date.
Instant Results
Calculation appears as soon as you set dates.
How to Calculate Business Days
- Select the calculation mode.
- Enter your start date (and end date for range mode).
- Enter the number of business days to add/subtract.
- Result appears instantly.
FAQ
Does it account for public holidays?▾
The basic tool excludes weekends only. Many organizations have their own holiday calendars, so holiday exclusion varies by jurisdiction.
What counts as a business day?▾
Monday through Friday. Saturdays and Sundays are excluded. Some industries define business days differently — this tool uses the standard Mon-Fri definition.
Common Calculations
- 'Net 30' invoices: 30 business days from invoice date.
- SLA response time: N business hours/days from ticket creation.
- Delivery windows: N business days from ship date.
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