Определить период

...

How many working days in year 1993?

Here is the detail of the calculation:

Because 1993 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 9 public holidays that do not fall during a weekend and we obtain 252 working days in 1993.

Here is the list of these 9 public holidays:

1. New Year's Day : пятница, 1 январь, 1993
2. Family Day : понедельник, 15 февраль, 1993
3. Good Friday : пятница, 9 апрель, 1993
4. Victoria Day : понедельник, 24 май, 1993
5. Canada Day : четверг, 1 июль, 1993
6. Saskatchewan Day : понедельник, 2 август, 1993
7. Labour Day : понедельник, 6 сентябрь, 1993
8. Thanksgiving : понедельник, 11 октябрь, 1993
9. Remembrance Day : четверг, 11 ноябрь, 1993

And here is the public holiday falling on a weekend:

1. Christmas : суббота, 25 декабрь, 1993