Define a period

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How many working days in year 1995?

Here is the detail of the calculation:

Because 1995 is not a leap year, it has 365 days.

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

Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 253 working days in 1995.

Here is the list of these 7 public holidays:

1. Goede Vrijdag : Friday, 14 April, 1995
2. Tweede Paasdag : Monday, 17 April, 1995
3. Bevrijdingsdag : Friday, 5 May, 1995
4. Hemelvaartsdag : Thursday, 25 May, 1995
5. Tweede Pinksterdag : Monday, 5 June, 1995
6. Eerste Kerstdag : Monday, 25 December, 1995
7. Tweede Kerstdag : Tuesday, 26 December, 1995

And here are the 4 public holidays falling on a weekend:

1. Nieuwjaar : Sunday, 1 January, 1995
2. Eerste Paasdag : Sunday, 16 April, 1995
3. Koninginnedag : Saturday, 29 April, 1995
4. Eerste Pinksterdag : Sunday, 4 June, 1995