Define a period

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How many working days in year 1997?

Here is the detail of the calculation:

Because 1997 is not a leap year, it has 365 days.

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

Now, let's remove 10 public holidays that do not fall during a weekend and we obtain 251 working days in 1997.

Here is the list of these 10 public holidays:

1. Novo leto : Wednesday, 1 January, 1997
2. Novoletni dan : Thursday, 2 January, 1997
3. Velikonočni ponedeljek : Monday, 31 March, 1997
4. Praznik dela : Thursday, 1 May, 1997
5. Praznik dela : Friday, 2 May, 1997
6. Dan državnosti : Wednesday, 25 June, 1997
7. Marijino vnebovzetje : Friday, 15 August, 1997
8. Dan reformacije : Friday, 31 October, 1997
9. Božič : Thursday, 25 December, 1997
10. Dan samostojnosti in enotnosti : Friday, 26 December, 1997

And here are the 5 public holidays falling on a weekend:

1. Prešernov dan : Saturday, 8 February, 1997
2. Velika noč : Sunday, 30 March, 1997
3. Dan upora proti okupatorju : Sunday, 27 April, 1997
4. Binkošti : Sunday, 18 May, 1997
5. Dan spomina na mrtve : Saturday, 1 November, 1997