Define a period

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How many working days in year 2016?

Here is the detail of the calculation:

Because 2016 is a leap year, it has 366 days.

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

Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 254 working days in 2016.

Here is the list of these 7 public holidays:

1. Нова Година : Friday, 1 January, 2016
2. Божић : Thursday, 7 January, 2016
3. Дан државности Србије : Monday, 15 February, 2016
4. Дан после Дана државности Србије : Tuesday, 16 February, 2016
5. Велики петак : Friday, 29 April, 2016
6. Васкршњи понедељак : Monday, 2 May, 2016
7. Дан примирја : Friday, 11 November, 2016

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

1. Празник после Нове Године : Saturday, 2 January, 2016
2. Васкршња субота : Saturday, 30 April, 2016
3. Васкрс : Sunday, 1 May, 2016