Define a period

...

How many working days in year 2040?

Here is the detail of the calculation:

Because 2040 is a leap year, it has 366 days.

Let's remove 52 saturdays and 53 sundays. It remains 261 days.

Now, let's remove 12 public holidays that do not fall during a weekend and we obtain 249 working days in 2040.

Here is the list of these 12 public holidays:

1. Novoletni dan : Monday, 2 January, 2040
2. Prešernov dan : Wednesday, 8 February, 2040
3. Velikonočni ponedeljek : Monday, 2 April, 2040
4. Dan upora proti okupatorju : Friday, 27 April, 2040
5. Praznik dela : Tuesday, 1 May, 2040
6. Praznik dela : Wednesday, 2 May, 2040
7. Dan državnosti : Monday, 25 June, 2040
8. Marijino vnebovzetje : Wednesday, 15 August, 2040
9. Dan reformacije : Wednesday, 31 October, 2040
10. Dan spomina na mrtve : Thursday, 1 November, 2040
11. Božič : Tuesday, 25 December, 2040
12. Dan samostojnosti in enotnosti : Wednesday, 26 December, 2040

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

1. Novo leto : Sunday, 1 January, 2040
2. Velika noč : Sunday, 1 April, 2040
3. Binkošti : Sunday, 20 May, 2040