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 7 public holidays that do not fall during a weekend and we obtain 254 working days in 2012.
 Here is the list of these 7 public holidays: 
 
 1. Good Friday : пятница, 6 апрель, 2012 
2. Easter Monday : понедельник, 9 апрель, 2012 
3. Queen's Day : понедельник, 30 апрель, 2012 
4. Ascension Day : четверг, 17 май, 2012 
5. Pentecost Monday : понедельник, 28 май, 2012 
6. Christmas Day : вторник, 25 декабрь, 2012 
7. Boxing Day : среда, 26 декабрь, 2012 
And here are the 3 public holidays falling on a weekend:
1. New Year's Day : воскресенье, 1 январь, 2012 
2. Easter Sunday : воскресенье, 8 апрель, 2012 
3. Pentecost Sunday : воскресенье, 27 май, 2012