How many working days in year 2058?
Here is the detail of the calculation:
Because 2058 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 8 public holidays that do not fall during a weekend and we obtain 253 working days in 2058.
 Here is the list of these 8 public holidays: 
 
 1. New Year's Day : вторник, 1 январь, 2058 
2. Good Friday : пятница, 12 апрель, 2058 
3. Easter Monday : понедельник, 15 апрель, 2058 
4. Labour Day : среда, 1 май, 2058 
5. Establishment Day : понедельник, 1 июль, 2058 
6. National Day : вторник, 1 октябрь, 2058 
7. Christmas Day : среда, 25 декабрь, 2058 
8. Boxing Day : четверг, 26 декабрь, 2058 
And here is the public holiday falling on a weekend:
1. Holy Saturday : суббота, 13 апрель, 2058