Define a period

...

How many working days in year 2016?

Here is the detail of the calculation:

Because 2016 is a leap year, it has 366 days.

Let's remove 53 saturdays and 52 sundays. It remains 261 days.

Now, let's remove 8 public holidays that do not fall during a weekend and we obtain 253 working days in 2016.

Here is the list of these 8 public holidays:

1. Nieuwjaarsdag : Friday, 1 January, 2016
2. Paasmaandag : Monday, 28 March, 2016
3. Hemelvaartsdag : Thursday, 5 May, 2016
4. Pinkstermaandag : Monday, 16 May, 2016
5. Nationale Feestdag : Thursday, 21 July, 2016
6. Onze-Lieve-Vrouw Hemelvaart : Monday, 15 August, 2016
7. Allerheiligen : Tuesday, 1 November, 2016
8. Wapenstilstand : Friday, 11 November, 2016

And here are the 2 public holidays falling on a weekend:

1. Dag van de Arbeid : Sunday, 1 May, 2016
2. Kerstmis : Sunday, 25 December, 2016