Define a period

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How many working days in year 1952?

Here is the detail of the calculation:

Because 1952 is a leap year, it has 366 days.

Let's remove 52 saturdays and 52 sundays. It remains 262 days.

Now, let's remove 10 public holidays that do not fall during a weekend and we obtain 252 working days in 1952.

Here is the list of these 10 public holidays:

1. Nieuwjaarsdag : Tuesday, 1 January, 1952
2. Paasmaandag : Monday, 14 April, 1952
3. Dag van de Arbeid : Thursday, 1 May, 1952
4. Hemelvaartsdag : Thursday, 22 May, 1952
5. Pinkstermaandag : Monday, 2 June, 1952
6. Nationale Feestdag : Monday, 21 July, 1952
7. Onze-Lieve-Vrouw Hemelvaart : Friday, 15 August, 1952
8. Wapenstilstand : Tuesday, 11 November, 1952
9. Kerstmis : Thursday, 25 December, 1952
10. Tweede Kerstdag : Friday, 26 December, 1952

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

1. Allerheiligen : Saturday, 1 November, 1952
2. Koningsdag : Saturday, 15 November, 1952