How to Calculate UK Working Days in the UK: Step-by-Step Guide

Updated · Dates and time

Introduction

Deadlines, notice periods, holiday allowances and ages all depend on counting days correctly. UK bank holidays make working-day counts trickier than they look.

This guide explains how to calculate uK Working Days in the UK, step by step. Count working days between two dates, excluding weekends and bank holidays in England and Wales. You'll see the formula, a fully worked example and practical tips for UK readers.

What this calculation covers

Count working days between two dates, excluding weekends and bank holidays in England and Wales.

Accurate date calculations help you meet legal deadlines, plan leave, and check notice periods or contract terms.

The method and formula

We step through each date in your range and count Monday to Friday, skipping England and Wales bank holidays. Scotland and Northern Ireland have some different holidays.

Every figure on our working Days Calculator (UK) follows this method, so you can check the working yourself.

Worked example

Here's a typical example using these figures:

InputValue
Start dateThu, 1 October 2026
End dateThu, 31 December 2026

Running them through the method gives:

ResultValue
Working days64
Total days92
Bank holidays in range2

The headline figure is working days: 64. Change any input and the result will move with it.

How to use the calculator

  1. Enter or choose start date.
  2. Enter or choose end date.
  3. Read your results. The main figure is shown at the top, with a breakdown underneath.
  4. Try different values to compare scenarios side by side.

Tips for UK readers

  • Check whether a deadline counts the start day, the end day or both.
  • Bank holidays differ between England and Wales, Scotland and Northern Ireland.
  • When a bank holiday falls on a weekend, a substitute day is usually given.
  • Statutory holiday entitlement can include bank holidays.

Frequently asked questions

What's the quickest way to work out uK Working Days?

Use our free working Days Calculator (UK). It applies this method automatically: We step through each date in your range and count Monday to Friday, skipping England and Wales bank holidays. Scotland and Northern Ireland have some different holidays.

Which bank holidays are included?

Working-day calculations use England and Wales bank holidays from 2025 to 2027.

Are start and end dates included?

Days-between counts the difference between dates; working-day counts include both start and end dates.

Is holiday entitlement including bank holidays?

The statutory 5.6 weeks can include bank holidays. Check your contract for how your employer handles them.

Summary

To work out uK Working Days, follow the method above: We step through each date in your range and count Monday to Friday, skipping England and Wales bank holidays. For a quick, accurate answer with your own figures, use the calculator.

Try the working Days Calculator (UK)

Enter your own figures and get an instant answer – free, no sign-up.

Open the working Days Calculator (UK)

Next, read UK Working Days: Common Mistakes, Tips and FAQs.

More dates and time guides

This guide is general information, not financial, tax, legal or medical advice. Figures use 2025/26 UK rates where relevant. Always check GOV.UK or NHS.uk for official guidance.