United Kingdom Public Holiday Calculator

Effective holidays = total holidays − (weekend holidays − substitute days) A public holiday only creates time off if it lands on a day you would have worked. Some countries grant a substitute weekday when it falls at a weekend and others do not, which is why the effective count differs from the headline number.

The headline holiday count is a poor guide to actual time off, and it varies by several days from year to year depending on where the dates land.

This calculator takes 4 inputs: Public holidays in the year, Holidays landing on a weekend, Substitute days granted for weekend holidays, Contracted hours per day. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.