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How many working days in year 1915?

Here is the detail of the calculation:

Because 1915 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 9 public holidays that do not fall during a weekend and we obtain 252 working days in 1915.

Here is the list of these 9 public holidays:

1. New Year's Day : пятница, 1 январь, 1915
2. Australia Day : вторник, 26 январь, 1915
3. Eight Hours Day : понедельник, 8 март, 1915
4. Good Friday : пятница, 2 апрель, 1915
5. Easter Monday : понедельник, 5 апрель, 1915
6. Easter Tuesday : вторник, 6 апрель, 1915
7. King's Birthday : понедельник, 14 июнь, 1915
8. Christmas Day Observance : понедельник, 27 декабрь, 1915
9. Boxing Day Observance : вторник, 28 декабрь, 1915

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

1. Anzac Day : воскресенье, 25 апрель, 1915
2. Christmas Day : суббота, 25 декабрь, 1915
3. Boxing Day : воскресенье, 26 декабрь, 1915