Define a period

...

How many working days in year 2071?

Here is the detail of the calculation:

Because 2071 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 8 public holidays that do not fall during a weekend and we obtain 253 working days in 2071.

Here is the list of these 8 public holidays:

1. Nieuwjaarsdag : Thursday, 1 January, 2071
2. Paasmaandag : Monday, 20 April, 2071
3. Dag van de Arbeid : Friday, 1 May, 2071
4. Hemelvaartsdag : Thursday, 28 May, 2071
5. Pinkstermaandag : Monday, 8 June, 2071
6. Nationale Feestdag : Tuesday, 21 July, 2071
7. Wapenstilstand : Wednesday, 11 November, 2071
8. Kerstmis : Friday, 25 December, 2071

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

1. Onze-Lieve-Vrouw Hemelvaart : Saturday, 15 August, 2071
2. Feest van de Franse Gemeenschap : Sunday, 27 September, 2071
3. Allerheiligen : Sunday, 1 November, 2071