Define a period

...

How many working days in year 2067?

Here is the detail of the calculation:

Because 2067 is not a leap year, it has 365 days.

Let's remove 53 saturdays and 52 sundays. It remains 260 days.

Now, let's remove 8 public holidays that do not fall during a weekend and we obtain 252 working days in 2067.

Here is the list of these 8 public holidays:

1. Paasmaandag : Monday, 4 April, 2067
2. Hemelvaartsdag : Thursday, 12 May, 2067
3. Pinkstermaandag : Monday, 23 May, 2067
4. Nationale Feestdag : Thursday, 21 July, 2067
5. Onze-Lieve-Vrouw Hemelvaart : Monday, 15 August, 2067
6. Allerheiligen : Tuesday, 1 November, 2067
7. Wapenstilstand : Friday, 11 November, 2067
8. Koningsdag : Tuesday, 15 November, 2067

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

1. Nieuwjaarsdag : Saturday, 1 January, 2067
2. Dag van de Arbeid : Sunday, 1 May, 2067
3. Kerstmis : Sunday, 25 December, 2067