Calendar days or business days?
Most invoice terms use calendar days unless the contract says otherwise. Choose business days only when the agreement, policy, or applicable rule defines the term that way.
Enter the invoice date, choose Net 15, 30, 45, 60, or 90, and specify whether the agreement means calendar days or business days. Business-day results skip weekends and the selected regional public holidays.
Calendar: Canada — Ontario. Choose the country and region whose holidays apply to your calculation.
Net 30 from Sunday, September 13, 2026, counted as calendar days.
Every consecutive date is counted, including weekends and public holidays.1 weekday public holiday is skipped by the business-day comparison: Thanksgiving (Oct 12, 2026).
The invoice date is day zero. Confirm whether your agreement uses calendar days, business days, receipt date, or another definition before relying on the result.
Most invoice terms use calendar days unless the contract says otherwise. Choose business days only when the agreement, policy, or applicable rule defines the term that way.
Net 30 means payment is due 30 days after the invoice date under the selected counting basis. The result clearly states the invoice date, term, basis, and regional calendar.
A business-day due date can change around Christmas, New Year, Easter-related holidays, and state, province, territory, or regional observances.
The tool shows the selected result and the alternative calendar-day or business-day date so the difference is easy to review.
Payment terms can depend on contract language, receipt date, local law, banking practice, or an agreed grace period. Verify high-stakes due dates with the parties involved.
The calculator excludes weekends and can also exclude public holidays for the selected country or region. The result shows the assumption used in the calculation.
Public holidays are excluded when the Weekends + holidays option is turned on. You can switch to Weekends only if you want a weekday-only count.
Yes. Use Copy result for the plain answer, or Copy link to share the same calculation settings with someone else.
Use the calculator as a helpful planning tool, but review important deadlines because business-day rules can vary by employer, contract, industry, city, and jurisdiction.
Choose a focused calculator page for common business-day and working-day questions.
Use a year-focused page when you are checking annual schedules or future deadline windows.
Use a country page when regional public holidays matter for your deadline or planning calculation.
Review how calculations are handled and which holiday calendars are currently covered.