Quick answer: Ontario has 252 business days in 2027 for a default Monday-Friday week, for the period Jan 1, 2027 through Dec 31, 2027 (national + regional public holidays for this subdivision).
Month-by-month business days (2027)
Weekdays counted: Monday-Friday.
| Month | Business days | Public holiday days in month |
|---|---|---|
| January | 20 | 1 |
| February | 20 | 0 |
| March | 21 | 2 |
| April | 22 | 0 |
| May | 20 | 1 |
| June | 22 | 0 |
| July | 21 | 1 |
| August | 22 | 0 |
| September | 20 | 2 |
| October | 20 | 1 |
| November | 21 | 1 |
| December | 23 | 2 |
Public holidays in 2027 (Ontario)
National and regional public holidays that overlap the same date range as the business day calculation.
| Date | Name |
|---|---|
| Jan 1, 2027 | New Year's Day |
| Mar 26, 2027 | Good Friday |
| Mar 29, 2027 | Easter Monday |
| May 24, 2027 | Victoria Day |
| Jul 1, 2027 | Canada Day |
| Sep 6, 2027 | Labour Day |
| Sep 30, 2027 | National Day for Truth and Reconciliation |
| Oct 11, 2027 | Thanksgiving Day |
| Nov 11, 2027 | Remembrance Day |
| Dec 25, 2027 | Christmas Day |
| Dec 26, 2027 | Boxing Day |
Key insights
Total working days
Default Monday-Friday workweek in 2027 for Ontario.
Highest month
23 working days.
Lowest month
20 working days.
Holidays included
Public holidays for this region excluded from the total.
Related guides & tools
Frequently asked questions
How many working days are there in Ontario in 2027?
Ontario has 252 working days in 2027 using a default Monday-Friday workweek and excluding public holidays for this subdivision.
Are public holidays included in the calculation?
Yes. Public holidays for Ontario in 2027 are excluded from the working-day total (about 11 calendar days in this dataset).
Which month has the fewest working days?
January, February, May, September and October has the fewest working days, with 20.
How does Ontario compare to the national total?
National totals for Canada can differ from Ontario when regional public holidays apply only in this subdivision.
Can I customize the working week or include a region?
Yes. Use the business days calculator to change weekdays, add a region filter (when available), or calculate a custom range.
All countries: working days guides
Working days in Canada - quick context
Canadian statutory holidays are provincial and territorial. The totals here follow HolidayDB’s CA configuration; pick the correct province in the business days calculator when you need jurisdiction-specific numbers.