Working days
Working-day mode counts Monday to Friday and removes official bank holidays for your selected UK region.
Calendar weeks = 7 days. Working weeks = 5 working days and still exclude weekends and bank holidays.
Working days are Monday–Friday excluding official bank holidays for the selected region. Bank holiday data: GOV.UK.
Difference—
Enter your details to calculate.
Date and working days calculator guide
Use the tabs to compare two dates, or move a set number of days or weeks into the future or past. Calendar weeks equal 7 calendar days; working weeks equal 5 working days, with Saturdays, Sundays and official bank holidays excluded for the selected UK region.
Future date
Enter a start date and choose a number of days or weeks to find the resulting future date, using calendar or working-day rules.
Past date
Subtract calendar or working days or weeks from any start date for deadlines, notice periods and project planning.
Frequently asked questions
Does the calculator include leap years?
Yes. Leap days are included automatically.
What counts as a working day?
Working-day mode treats Monday to Friday as working days and excludes official bank holidays for the selected UK region.
Do bank holidays differ around the UK?
Yes. Choose England & Wales, Scotland or Northern Ireland so the correct official bank holidays are excluded.
How are weeks handled?
In calendar mode, one week equals 7 calendar days. In working-day mode, one week equals 5 working days, with weekends and official bank holidays still excluded.
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