How many bank holidays does the UK actually have?
Not one national list — three, and they don't match. England and Wales have 8 bank holidays a year: New Year's Day, Good Friday, Easter Monday, the early May bank holiday, the spring bank holiday, the summer bank holiday, Christmas Day and Boxing Day. Scotland has 9: the same core set but with Easter Monday dropped and 2 January, the summer bank holiday moved to the first Monday in August rather than the last, and St Andrew's Day (30 November) added. Northern Ireland has 10: the England and Wales list plus St Patrick's Day (17 March) and the Battle of the Boyne (12 July, also called Orangemen's Day). The definitive current list for each nation is published at gov.uk/bank-holidays, and it is worth checking directly rather than relying on a remembered list, since dates move every year and extra one-off holidays are occasionally added.
Where "bank holiday" comes from
The term is literal: a bank holiday was originally a day on which banks were permitted to close, which mattered because financial and legal deadlines in Victorian England ran on banking days. The Bank Holidays Act 1871, promoted by the banker and Liberal MP Sir John Lubbock, created the first four statutory bank holidays in England, Wales and Ireland — Easter Monday, Whit Monday, the first Monday in August, and Boxing Day (Christmas Day and Good Friday were already established as common law holidays and didn't need the Act). Scotland's 1871 list was different from the start, reflecting its separate legal and banking tradition. The current governing law is the Banking and Financial Dealings Act 1971, which replaced the 1871 Act, fixed most of today's dates, and — importantly — gives the government the power to declare additional one-off bank holidays by royal proclamation, which is how occasions like a jubilee, a coronation, or a specific anniversary get an extra bank holiday without new primary legislation each time.
Substitute days: what happens when a holiday lands on a weekend
A fixed-date bank holiday that falls on a Saturday or Sunday doesn't simply get skipped — it moves to the next available weekday, almost always the following Monday, so the workforce still gets the day off. This is why Christmas Day and Boxing Day are handled as a pair: if 25 December is a Saturday and 26 December a Sunday, both get pushed forward together rather than overlapping on the same substitute Monday. It happened as recently as 2021, when Christmas Day fell on a Saturday and Boxing Day on a Sunday, giving substitute bank holidays on Monday 27 and Tuesday 28 December. New Year's Day works the same way, and in Scotland so does 2 January, which can produce a run of three or four substitute days in a single festive period depending on where the weekend falls. Holidays that are already defined as "a particular Monday" — the early May, spring and summer bank holidays — never need a substitute, because they can only ever fall on a weekday by definition.
Worked example — counting working days across the Easter break
From 2025-04-17 to 2025-04-22 inclusive spans 6 days. Two of those are a weekend, and two are bank holidays — Good Friday and Easter Monday, sitting either side of it — leaving just 2 working days in the range. That is the entire practical case for using a working-day count rather than a calendar-day count around Easter: a delivery slot or notice period quoted as "5 working days" starting the Thursday before Good Friday runs into two holidays and a weekend before it even reaches five working days, which routinely surprises anyone counting on their fingers.
Calendar days vs working days: the counting conventions
"Days" is not one convention. A calendar-day count includes every day, weekends and holidays alike, and is simple but rarely what a business deadline actually means. A working-day count excludes weekends and, usually, bank holidays — but even within "working days" there is a further split over whether both endpoints are counted. Our calculator counts inclusively: the start date and the end date are both included in the range, matching how most people count "from Monday to Friday" as five days rather than four. Some contracts and statutory notice periods instead specify counting exclusively from a triggering event, which is where "clear days" comes in.
Worked example — a bank holiday weekend in August
From 2025-08-22 to 2025-08-26 is 5 days, of which 2 fall on the weekend and 1 is the summer bank holiday itself — the last Monday in August — leaving 2 working days. Because the summer bank holiday is defined as a specific Monday rather than a fixed calendar date, it never needs a substitute day; the definition already guarantees it lands on a weekday.
"Clear days" and legal deadlines
Some notice periods and court deadlines are specified in "clear days," a stricter convention than either calendar-day or working-day counting: both the day the notice is given and the day of the deadline itself are excluded, so only the days genuinely in between are counted. English civil procedure uses this convention for the timing of applications and hearing notices under the Civil Procedure Rules, and it is a common source of missed deadlines precisely because it looks like ordinary day-counting but isn't — a notice requiring "3 clear days" served on a Monday does not expire on Thursday, because Monday and the deadline day both fall outside the count. If a deadline you are working to says "clear days" or "clear business days," check the specific rule or contract clause rather than assuming it behaves like the inclusive working-day count most everyday planning uses.
Frequently asked
Why do Scotland and Northern Ireland have different bank holidays from England and Wales?
Each nation's list reflects its own legal and religious history rather than a single UK-wide decision — St Andrew's Day and the August bank holiday date in Scotland, and St Patrick's Day and the Battle of the Boyne in Northern Ireland, exist because each jurisdiction has always set some of its own holidays separately, going back to the 1871 Act's original split.
Does a working-day calculator need to know which nation's holidays apply?
Yes, if the count is meant to be accurate — a deadline that excludes Scottish bank holidays will land on a different working day than one based on the England & Wales list, particularly around St Andrew's Day and the different August bank holiday date.
Is "working days" the same thing as "business days"?
In UK usage, yes — the two terms are used interchangeably to mean weekdays that are not bank holidays. Contracts sometimes define the term explicitly, so it is worth checking the definitions clause if a deadline genuinely matters, and you can check the count itself with our working days calculator. Read how every ToolHare tool is checked on the how we build and verify our tools page.