Define a period

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How many working days in year 1999?

Here is the detail of the calculation:

Because 1999 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 7 public holidays that do not fall during a weekend and we obtain 254 working days in 1999.

Here is the list of these 7 public holidays:

1. Újév : Friday, 1 January, 1999
2. Nemzeti ünnep : Monday, 15 March, 1999
3. Nagypéntek : Friday, 2 April, 1999
4. Húsvét hétfő : Monday, 5 April, 1999
5. Pünkösd hétfő : Monday, 24 May, 1999
6. Az államalapítás ünnepe : Friday, 20 August, 1999
7. Mindenszentek : Monday, 1 November, 1999

And here are the 6 public holidays falling on a weekend:

1. Húsvét vasárnap : Sunday, 4 April, 1999
2. A munka ünnepe : Saturday, 1 May, 1999
3. Pünkösd vasárnap : Sunday, 23 May, 1999
4. Nemzeti ünnep : Saturday, 23 October, 1999
5. Karácsony : Saturday, 25 December, 1999
6. Karácsony másnapja : Sunday, 26 December, 1999