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How many working days in year 1991?

Here is the detail of the calculation:

Because 1991 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 1991.

Here is the list of these 10 public holidays:

1. New Year's Day : вторник, 1 январь, 1991
2. Family Day : понедельник, 18 февраль, 1991
3. Good Friday : пятница, 29 март, 1991
4. Victoria Day : понедельник, 20 май, 1991
5. Canada Day : понедельник, 1 июль, 1991
6. Saskatchewan Day : понедельник, 5 август, 1991
7. Labour Day : понедельник, 2 сентябрь, 1991
8. Thanksgiving : понедельник, 14 октябрь, 1991
9. Remembrance Day : понедельник, 11 ноябрь, 1991
10. Christmas : среда, 25 декабрь, 1991