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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 6 public holidays that do not fall during a weekend and we obtain 256 working days in 1964.

Here is the list of these 6 public holidays:

1. New Year's Day : среда, 1 январь, 1964
2. Heritage Day : понедельник, 17 февраль, 1964
3. Good Friday : пятница, 27 март, 1964
4. Canada Day : среда, 1 июль, 1964
5. Labour Day : понедельник, 7 сентябрь, 1964
6. Christmas : пятница, 25 декабрь, 1964