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Free business days calculator

Business Days Calculator

Count business days between dates, or add and subtract workdays to find a deadline. Skip weekends and the holidays that apply to your country and region.

U.S. federal & state calendars · Canada by province · All 11 countries

Calendar: Canada — Ontario. Choose the country and region whose holidays apply to your calculation.

Result

46 business days

Between Wednesday, October 28, 2026 and Thursday, December 31, 2026, including the first date.

1 public holiday is excluded for Ontario, Canada.

Included in this calculation

  • Weekends are excluded.
  • Public holidays are excluded for Ontario, Canada.
  • Boxing Day is included. Civic Holiday, Easter Monday, Remembrance Day and September 30 are not ESA public holidays. This is a provincial or territorial statutory-date planning calendar, not a federal, bank, retail-closing or employer calendar. Actual holiday dates are listed; substitute days and employer-specific closures are not automatically added. Confirm the dates that apply to your deadline.
  • Holiday data currently covers 2026 and 2027.
  • Business holiday rules can vary by employer, industry, city, and contract.

Holidays excluded

Christmas DayDec 25, 2026

Browse business-day calendars by country

Open a focused calculator with exact annual and monthly totals, regional options, official holiday sources, and 2026–2027 planning data.

CanadaCalculator and holiday calendarUnited StatesCalculator and holiday calendarUnited KingdomCalculator and holiday calendarAustraliaCalculator and holiday calendarGermanyCalculator and holiday calendarJapanCalculator and holiday calendarFranceCalculator and holiday calendarIrelandCalculator and holiday calendarNew ZealandCalculator and holiday calendarSingaporeCalculator and holiday calendarNetherlandsCalculator and holiday calendar

What can this business days calculator do?

Use it to count business days between two dates, add business days to a start date, subtract business days from a deadline, or see how many business days are left in the year.

What counts as a business day?

A business day usually means Monday through Friday. When holiday exclusion is turned on, selected public holidays for the chosen country and region are skipped too.

Why use a working days calculator?

Deadline math is easy to miscount, especially when weekends, holidays, date ranges, and start-date rules are involved. This tool shows the assumptions used in the result.

Supported holiday calendars

Holiday support includes 2026 and 2027 calendars for 11 countries and 115 regional selections, including all U.S. states and all German states.

Common uses

People use business-day calculations for shipping estimates, payroll timing, invoice due dates, project deadlines, contract review periods, school deadlines, and time-off planning.

Important note

Business-day rules can vary by employer, industry, contract, city, or jurisdiction. Review the result before using it for legal, financial, payroll, or time-sensitive decisions.