Define a period

...

How many working days in year 2006?

Here is the detail of the calculation:

Because 2006 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 6 public holidays that do not fall during a weekend and we obtain 254 working days in 2006.

Here is the list of these 6 public holidays:

1. Goede Vrijdag : Friday, 14 April, 2006
2. Tweede Paasdag : Monday, 17 April, 2006
3. Hemelvaartsdag : Thursday, 25 May, 2006
4. Tweede Pinksterdag : Monday, 5 June, 2006
5. Eerste Kerstdag : Monday, 25 December, 2006
6. Tweede Kerstdag : Tuesday, 26 December, 2006

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

1. Nieuwjaar : Sunday, 1 January, 2006
2. Eerste Paasdag : Sunday, 16 April, 2006
3. Koninginnedag : Saturday, 29 April, 2006
4. Eerste Pinksterdag : Sunday, 4 June, 2006