UK Working Days Calculator
Count working days between two dates, or add working days to a date, with UK bank holidays excluded automatically.
Business-day results depend on the weekend and holiday-calendar settings above — switching calendars can change the result.
Which UK Bank Holidays Are Excluded?
New Year’s Day, Good Friday, Easter Monday, the early May bank holiday, the spring bank holiday (late May), the summer bank holiday (late August), Christmas Day, and Boxing Day — including their weekend "substitute day" moves, when a holiday falls on a Saturday or Sunday.
How Is Good Friday and Easter Monday Calculated?
Good Friday and Easter Monday move every year because they’re calculated from Easter Sunday, which this calculator computes using the standard Gregorian Easter algorithm — not a fixed date.
What Happens When a Bank Holiday Falls on a Weekend?
The UK observes a "substitute day": if Christmas Day or Boxing Day falls on a weekend, the holiday (and any knock-on collision between the two) shifts to the next available weekday. This calculator applies that rule automatically.
Can I Switch to a Different Country’s Holidays?
Yes — the Holiday Calendar menu in the calculator above also supports "US Federal Holidays," or "No Holidays" to exclude weekends only.
Frequently Asked Questions
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