Business day guides
Working day answers without the spreadsheet
Short guides for business days, bank holidays, shipping estimates, customer service SLAs, and deadline planning.
Latest guides
Use these articles to understand common working day questions, then check exact dates with the calculator.
Business day basics
What does 5 business days mean?
A plain-English guide to what 5 business days means, why weekends usually do not count, and how bank holidays can affect the final date.
Business day basics
Business days vs calendar days: what is the difference?
Understand the difference between business days and calendar days, with simple examples for shipping, work deadlines, and customer response times.
Public holidays
Do bank holidays count as business days?
A practical guide to whether bank holidays count as business days and how public holidays affect working day calculations.
Date calculations
How to add business days to a date
Learn how to add business days to a start date, skip weekends, and allow for public holidays when calculating a due date.
UK working days
Working days in 2026 in the UK
A practical overview of working days in the UK in 2026 and why weekends and bank holidays affect yearly totals.
Date calculations
How to calculate working days between two dates
A simple guide to calculating working days between two dates, including weekends, public holidays, and inclusive date ranges.
Everyday examples
Business day shipping explained
What business day shipping means, why weekends are skipped, and why a 3-5 business day delivery can take longer than expected.
Workplace planning
Using business days for customer service SLAs
How business days are used in customer support response times, service levels, and internal turnaround targets.
Complaint handling
Complaint deadlines: working days and response dates
A practical guide to using working days when estimating complaint acknowledgement and response deadlines.
Date calculations
Common business day calculation mistakes
Avoid common working day calculation mistakes, including counting weekends, missing holidays, and misunderstanding start dates.