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How many working days in year 1976?

Here is the detail of the calculation:

Because 1976 is a leap year, it has 366 days.

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

Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 255 working days in 1976.

Here is the list of these 7 public holidays:

1. New Year's Day : четверг, 1 январь, 1976
2. Louis Riel Day : понедельник, 16 февраль, 1976
3. Good Friday : пятница, 16 апрель, 1976
4. Victoria Day : понедельник, 24 май, 1976
5. Canada Day : четверг, 1 июль, 1976
6. Labour Day : понедельник, 6 сентябрь, 1976
7. Thanksgiving : понедельник, 11 октябрь, 1976

And here is the public holiday falling on a weekend:

1. Christmas : суббота, 25 декабрь, 1976