Quick answer: United Kingdom has 255 business days in 2021 for a default Monday-Friday week, for the period Jan 1, 2021 through Dec 31, 2021.
Month-by-month business days (2021)
Weekdays counted: Monday-Friday.
| Month | Business days | Public holiday days in month |
|---|---|---|
| January | 20 | 1 |
| February | 20 | 0 |
| March | 23 | 0 |
| April | 21 | 1 |
| May | 19 | 2 |
| June | 22 | 0 |
| July | 22 | 0 |
| August | 22 | 0 |
| September | 22 | 0 |
| October | 21 | 0 |
| November | 22 | 0 |
| December | 21 | 4 |
Public holidays in 2021 (United Kingdom)
National public holidays that overlap the same date range as the business day calculation.
| Date | Name |
|---|---|
| Jan 1, 2021 | New Year's Day |
| Apr 2, 2021 | Good Friday |
| May 3, 2021 | Early May Bank Holiday |
| May 31, 2021 | Spring Bank Holiday |
| Dec 25, 2021 | Christmas Day |
| Dec 26, 2021 | Boxing Day |
| Dec 27, 2021 | Substitute Bank Holiday for Christmas Day |
| Dec 28, 2021 | Substitute Bank Holiday for Boxing Day |
Key insights
Total working days
Default Monday-Friday workweek in 2021.
Highest month
23 working days.
Lowest month
19 working days.
Holidays included
National public holidays excluded from the total.
Related guides & tools
Frequently asked questions
How many working days are there in United Kingdom in 2021?
United Kingdom has 255 working days in 2021 using a default Monday-Friday workweek and excluding national public holidays.
Are public holidays included in the calculation?
Yes. National public holidays in 2021 are excluded from the working-day total (about 8 calendar days in this dataset).
Which month has the fewest working days?
May has the fewest working days, with 19.
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.