Get in touch with questions, feedback, or general enquiries about bizdaycalc.
// Quick answers
You might find what you need without waiting for a reply.
Count working days between any two dates, or add business days to a start date. Free, no signup needed.
Plain-English guides covering business days, calendar days, bank holidays, shipping estimates, Excel formulas, and complaint deadlines.
Quick-access calculators: 5, 7, 10, 14, and 30 business days from today, shipping deadlines, SLA calculators, and more.
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Our business days are Monday to Friday, 9am–5pm GMT/BST, excluding UK bank holidays. Messages received after 5pm on Friday will typically be read on Monday morning.
// Help
You might find what you need without waiting for a reply.
Calculate deadlines, count working days, and get a visual calendar breakdown. The main tool on bizdaycalc is free to use with no sign-up required.
We publish guides on calendar days, business days, complaint deadlines, SLA calculations, and avoiding common counting mistakes. Browse the blog for answers to the most frequent questions.
These popular posts answer the questions we receive most often:
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