Определить период

...

How many working days in year 2012?

Here is the detail of the calculation:

Because 2012 is a leap year, it has 366 days.

Let's remove 52 saturdays and 53 sundays. It remains 261 days.

Now, let's remove 8 public holidays that do not fall during a weekend and we obtain 253 working days in 2012.

Here is the list of these 8 public holidays:

1. Epiphany : пятница, 6 январь, 2012
2. Good Friday : пятница, 6 апрель, 2012
3. Easter Monday : понедельник, 9 апрель, 2012
4. May Day : вторник, 1 май, 2012
5. Ascension Day : четверг, 17 май, 2012
6. Independence Day : четверг, 6 декабрь, 2012
7. Christmas Day : вторник, 25 декабрь, 2012
8. St Stephen's Day : среда, 26 декабрь, 2012

And here are the 5 public holidays falling on a weekend:

1. New Year's Day : воскресенье, 1 январь, 2012
2. Easter Sunday : воскресенье, 8 апрель, 2012
3. Whit Sunday : воскресенье, 27 май, 2012
4. Midsummer Day : суббота, 23 июнь, 2012
5. All Saints' Day : суббота, 3 ноябрь, 2012