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How many working days in year 1929?
Here is the detail of the calculation:
Because 1929 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 1929.
 Here is the list of these 11 public holidays: 
 
 1. Újév : Tuesday, 1 January, 1929 
2. Nemzeti ünnep : Friday, 15 March, 1929 
3. Nagypéntek : Friday, 29 March, 1929 
4. Húsvét hétfő : Monday, 1 April, 1929 
5. A munka ünnepe : Wednesday, 1 May, 1929 
6. Pünkösd hétfő : Monday, 20 May, 1929 
7. Az államalapítás ünnepe : Tuesday, 20 August, 1929 
8. Nemzeti ünnep : Wednesday, 23 October, 1929 
9. Mindenszentek : Friday, 1 November, 1929 
10. Karácsony : Wednesday, 25 December, 1929 
11. Karácsony másnapja : Thursday, 26 December, 1929 
And here are the 2 public holidays falling on a weekend:
1. Húsvét vasárnap : Sunday, 31 March, 1929 
2. Pünkösd vasárnap : Sunday, 19 May, 1929