Quick answer: Northern Ireland has 253 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 | 19 | 2 |
| June | 22 | 0 |
| July | 22 | 0 |
| August | 21 | 1 |
| September | 22 | 0 |
| October | 21 | 0 |
| November | 22 | 0 |
| December | 21 | 4 |
Public holidays in 2027 (Northern Ireland)
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 3, 2027 | Early May Bank Holiday |
| May 31, 2027 | Spring Bank Holiday |
| Aug 30, 2027 | Summer Bank Holiday |
| Dec 25, 2027 | Christmas Day |
| Dec 26, 2027 | Boxing Day |
| Dec 27, 2027 | Substitute Bank Holiday for Christmas Day |
| Dec 28, 2027 | Substitute Bank Holiday for Boxing Day |
Key insights
Total working days
Default Monday-Friday workweek in 2027 for Northern Ireland.
Highest month
22 working days.
Lowest month
19 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 Northern Ireland in 2027?
Northern Ireland has 253 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 Northern Ireland in 2027 are excluded from the working-day total (about 10 calendar days in this dataset).
Which month has the fewest working days?
May has the fewest working days, with 19.
How does Northern Ireland compare to the national total?
National totals for United Kingdom can differ from Northern Ireland 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 the United Kingdom - quick context
Bank holidays in England and Wales, Scotland, and Northern Ireland do not always match. This page uses the GB calendar configured in HolidayDB; if you need Scotland-only or NI-only lists, check the calculator’s region options when supported.