Define a period

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How many working days in year 1960?

Here is the detail of the calculation:

Because 1960 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 1960.

Here is the list of these 7 public holidays:

1. Újév : Friday, 1 January, 1960
2. Nemzeti ünnep : Tuesday, 15 March, 1960
3. Nagypéntek : Friday, 15 April, 1960
4. Húsvét hétfő : Monday, 18 April, 1960
5. Pünkösd hétfő : Monday, 6 June, 1960
6. Mindenszentek : Tuesday, 1 November, 1960
7. Karácsony másnapja : Monday, 26 December, 1960

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

1. Húsvét vasárnap : Sunday, 17 April, 1960
2. A munka ünnepe : Sunday, 1 May, 1960
3. Pünkösd vasárnap : Sunday, 5 June, 1960
4. Az államalapítás ünnepe : Saturday, 20 August, 1960
5. Nemzeti ünnep : Sunday, 23 October, 1960
6. Karácsony : Sunday, 25 December, 1960