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How many working days in year 1913?

Here is the detail of the calculation:

Because 1913 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 1913.

Here is the list of these 8 public holidays:

1. New Year's Day : среда, 1 январь, 1913
2. Maundy Thursday : четверг, 20 март, 1913
3. Good Friday : пятница, 21 март, 1913
4. Easter Monday : понедельник, 24 март, 1913
5. Labour Day : четверг, 1 май, 1913
6. Whit Monday : понедельник, 12 май, 1913
7. Christmas Day : четверг, 25 декабрь, 1913
8. St Stephen's Day : пятница, 26 декабрь, 1913

And here are the 3 public holidays falling on a weekend:

1. Easter Sunday : воскресенье, 23 март, 1913
2. Pentecost : воскресенье, 11 май, 1913
3. Constitution Day : суббота, 17 май, 1913