How many working days in year 2028?
Here is the detail of the calculation:
Because 2028 is a leap year, it has 366 days.
Let's remove 53 saturdays and 53 sundays. It remains 260 days.
Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 253 working days in 2028.
 Here is the list of these 7 public holidays: 
 
 1. New Year's Day (observance) : понедельник, 3 январь, 2028 
2. Islander Day : понедельник, 21 февраль, 2028 
3. Good Friday : пятница, 14 апрель, 2028 
4. Canada Day (observance) : понедельник, 3 июль, 2028 
5. Labour Day : понедельник, 4 сентябрь, 2028 
6. National Day for Truth and Reconciliation (observance) : понедельник, 2 октябрь, 2028 
7. Christmas : понедельник, 25 декабрь, 2028 
And here are the 4 public holidays falling on a weekend:
1. New Year's Day : суббота, 1 январь, 2028 
2. Canada Day : суббота, 1 июль, 2028 
3. National Day for Truth and Reconciliation : суббота, 30 сентябрь, 2028 
4. Remembrance Day : суббота, 11 ноябрь, 2028