Define a period

...

How many working days in year 2031?

Here is the detail of the calculation:

Because 2031 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 7 public holidays that do not fall during a weekend and we obtain 254 working days in 2031.

Here is the list of these 7 public holidays:

1. Nieuwjaar : Wednesday, 1 January, 2031
2. Goede Vrijdag : Friday, 11 April, 2031
3. Tweede Paasdag : Monday, 14 April, 2031
4. Hemelvaartsdag : Thursday, 22 May, 2031
5. Tweede Pinksterdag : Monday, 2 June, 2031
6. Eerste Kerstdag : Thursday, 25 December, 2031
7. Tweede Kerstdag : Friday, 26 December, 2031

And here are the 3 public holidays falling on a weekend:

1. Eerste Paasdag : Sunday, 13 April, 2031
2. Koningsdag : Saturday, 26 April, 2031
3. Eerste Pinksterdag : Sunday, 1 June, 2031