Define a period

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How many working days in year 2021?

Here is the detail of the calculation:

Because 2021 is not a leap year, it has 365 days.

Let's remove 52 saturdays and 52 sundays. It remains 261 days.

Now, let's remove 5 public holidays that do not fall during a weekend and we obtain 256 working days in 2021.

Here is the list of these 5 public holidays:

1. New Year's Day : Friday, 1 January, 2021
2. Good Friday : Friday, 2 April, 2021
3. Easter Monday : Monday, 5 April, 2021
4. Ascension Day : Thursday, 13 May, 2021
5. Whit Monday : Monday, 24 May, 2021

And here are the 5 public holidays falling on a weekend:

1. Berchtold's Day : Saturday, 2 January, 2021
2. Labour Day : Saturday, 1 May, 2021
3. Swiss National Day : Sunday, 1 August, 2021
4. Christmas Day : Saturday, 25 December, 2021
5. Saint Stephen's Day : Sunday, 26 December, 2021