Define a period

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How many working days in year 1986?

Here is the detail of the calculation:

Because 1986 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 11 public holidays that do not fall during a weekend and we obtain 250 working days in 1986.

Here is the list of these 11 public holidays:

1. Anul Nou : Wednesday, 1 January, 1986
2. A doua zi după Anul Nou : Thursday, 2 January, 1986
3. Ziua Unirii Principatelor Române : Friday, 24 January, 1986
4. Ziua Muncii : Thursday, 1 May, 1986
5. Vinerea Mare : Friday, 2 May, 1986
6. A doua zi de Paște : Monday, 5 May, 1986
7. A doua zi de Rusalii : Monday, 23 June, 1986
8. Adormirea Maicii Domnului : Friday, 15 August, 1986
9. Ziua Națională a României : Monday, 1 December, 1986
10. Crăciunul : Thursday, 25 December, 1986
11. A doua zi de Crăciun : Friday, 26 December, 1986

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

1. Paște ortodox : Sunday, 4 May, 1986
2. Ziua Copilului : Sunday, 1 June, 1986
3. Rusalii : Sunday, 22 June, 1986
4. Sfântul Andrei : Sunday, 30 November, 1986