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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 13 public holidays that do not fall during a weekend and we obtain 247 working days in 1961.

Here is the list of these 13 public holidays:

1. Epiphany : пятница, 6 январь, 1961
2. Good Friday : пятница, 31 март, 1961
3. Easter Monday : понедельник, 3 апрель, 1961
4. Labour Day : понедельник, 1 май, 1961
5. Victory over Fascism Day : понедельник, 8 май, 1961
6. Saints Cyril and Methodius’ Day : среда, 5 июль, 1961
7. Slovak National Uprising Anniversary : вторник, 29 август, 1961
8. Constitution Day : пятница, 1 сентябрь, 1961
9. Day of Our Lady of Sorrows : пятница, 15 сентябрь, 1961
10. All Saints’ Day : среда, 1 ноябрь, 1961
11. Freedom and Democracy Day : пятница, 17 ноябрь, 1961
12. Christmas Day : понедельник, 25 декабрь, 1961
13. St. Stephen's Day : вторник, 26 декабрь, 1961

And here are the 2 public holidays falling on a weekend:

1. Republic Day / New Year's Day : воскресенье, 1 январь, 1961
2. Christmas Eve : воскресенье, 24 декабрь, 1961