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How many working days in year 1961?
Here is the detail of the calculation:
Because 1961 is not a leap year, it has 365 days.
Let's remove 52 saturdays and 53 sundays. It remains 260 days.
Now, let's remove 12 public holidays that do not fall during a weekend and we obtain 248 working days in 1961.
 Here is the list of these 12 public holidays: 
 
 1. A doua zi după Anul Nou : Monday, 2 January, 1961 
2. Ziua Unirii Principatelor Române : Tuesday, 24 January, 1961 
3. Vinerea Mare : Friday, 7 April, 1961 
4. A doua zi de Paște : Monday, 10 April, 1961 
5. Ziua Muncii : Monday, 1 May, 1961 
6. A doua zi de Rusalii : Monday, 29 May, 1961 
7. Ziua Copilului : Thursday, 1 June, 1961 
8. Adormirea Maicii Domnului : Tuesday, 15 August, 1961 
9. Sfântul Andrei : Thursday, 30 November, 1961 
10. Ziua Națională a României : Friday, 1 December, 1961 
11. Crăciunul : Monday, 25 December, 1961 
12. A doua zi de Crăciun : Tuesday, 26 December, 1961 
And here are the 3 public holidays falling on a weekend:
1. Anul Nou : Sunday, 1 January, 1961 
2. Paște ortodox : Sunday, 9 April, 1961 
3. Rusalii : Sunday, 28 May, 1961