Define a period

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How many working days in year 2000?

Here is the detail of the calculation:

Because 2000 is a leap year, it has 366 days.

Let's remove 53 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 2000.

Here is the list of these 7 public holidays:

1. Goede Vrijdag : Friday, 21 April, 2000
2. Tweede Paasdag : Monday, 24 April, 2000
3. Bevrijdingsdag : Friday, 5 May, 2000
4. Hemelvaartsdag : Thursday, 1 June, 2000
5. Tweede Pinksterdag : Monday, 12 June, 2000
6. Eerste Kerstdag : Monday, 25 December, 2000
7. Tweede Kerstdag : Tuesday, 26 December, 2000

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

1. Nieuwjaar : Saturday, 1 January, 2000
2. Eerste Paasdag : Sunday, 23 April, 2000
3. Koninginnedag : Saturday, 29 April, 2000
4. Eerste Pinksterdag : Sunday, 11 June, 2000