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How many working days in year 1964?

Here is the detail of the calculation:

Because 1964 is a leap year, it has 366 days.

Let's remove 52 saturdays and 52 sundays. It remains 262 days.

Now, let's remove 9 public holidays that do not fall during a weekend and we obtain 253 working days in 1964.

Here is the list of these 9 public holidays:

1. New Year's Day : среда, 1 январь, 1964
2. Epiphany : понедельник, 6 январь, 1964
3. Easter Monday : понедельник, 30 март, 1964
4. Labour Day : пятница, 1 май, 1964
5. Corpus Christi : четверг, 28 май, 1964
6. Anti-Fascist Struggle Day : понедельник, 22 июнь, 1964
7. Victory and Homeland Thanksgiving Day : среда, 5 август, 1964
8. Remembrance Day : среда, 18 ноябрь, 1964
9. Christmas Day : пятница, 25 декабрь, 1964

And here are the 5 public holidays falling on a weekend:

1. Easter : воскресенье, 29 март, 1964
2. National Day : суббота, 30 май, 1964
3. Assumption Day : суббота, 15 август, 1964
4. All Saints' Day : воскресенье, 1 ноябрь, 1964
5. St. Stephen's Day : суббота, 26 декабрь, 1964