Quick answer: Isle of Man has 251 business days in 2025 for a default Monday-Friday week, for the period Jan 1, 2025 through Dec 31, 2025.
Month-by-month business days (2025)
Weekdays counted: Monday-Friday.
| Month | Business days | Public holiday days in month |
|---|---|---|
| January | 22 | 1 |
| February | 20 | 0 |
| March | 21 | 0 |
| April | 20 | 2 |
| May | 20 | 2 |
| June | 20 | 1 |
| July | 22 | 2 |
| August | 20 | 1 |
| September | 22 | 0 |
| October | 23 | 0 |
| November | 20 | 0 |
| December | 21 | 2 |
Public holidays in 2025 (Isle of Man)
National public holidays that overlap the same date range as the business day calculation.
| Date | Name |
|---|---|
| Jan 1, 2025 | New Year's Day |
| Apr 18, 2025 | Good Friday |
| Apr 21, 2025 | Easter Monday |
| May 5, 2025 | Early May Bank Holiday |
| May 26, 2025 | Late May Bank Holiday |
| Jun 6, 2025 | T. T. Bank Holiday |
| Jul 5, 2025 | Tynwald Day |
| Jul 7, 2025 | Day off for Tynwald Day |
| Aug 25, 2025 | Summer Bank Holiday |
| Dec 25, 2025 | Christmas Day |
| Dec 26, 2025 | Boxing Day |
Key insights
Total working days
Default Monday-Friday workweek in 2025.
Highest month
23 working days.
Lowest month
20 working days.
Holidays included
National public holidays excluded from the total.
Related guides & tools
Frequently asked questions
How many working days are there in Isle of Man in 2025?
Isle of Man has 251 working days in 2025 using a default Monday-Friday workweek and excluding national public holidays.
Are public holidays included in the calculation?
Yes. National public holidays in 2025 are excluded from the working-day total (about 11 calendar days in this dataset).
Which month has the fewest working days?
February, April, May, June, August and November has the fewest working days, with 20.
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.