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How many working days in year 1965?

Here is the detail of the calculation:

Because 1965 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 10 public holidays that do not fall during a weekend and we obtain 251 working days in 1965.

Here is the list of these 10 public holidays:

1. New Year's Day : пятница, 1 январь, 1965
2. Family Day : понедельник, 15 февраль, 1965
3. Good Friday : пятница, 16 апрель, 1965
4. Victoria Day : понедельник, 24 май, 1965
5. Canada Day : четверг, 1 июль, 1965
6. August Civic Holiday : понедельник, 2 август, 1965
7. Labour Day : понедельник, 6 сентябрь, 1965
8. Thanksgiving : понедельник, 11 октябрь, 1965
9. Christmas (observance) : понедельник, 27 декабрь, 1965
10. Boxing Day (observance) : вторник, 28 декабрь, 1965

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

1. Christmas : суббота, 25 декабрь, 1965
2. Boxing Day : воскресенье, 26 декабрь, 1965