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How many working days in year 1916?

Here is the detail of the calculation:

Because 1916 is a leap year, it has 366 days.

Let's remove 53 saturdays and 53 sundays. It remains 260 days.

Now, let's remove 8 public holidays that do not fall during a weekend and we obtain 252 working days in 1916.

Here is the list of these 8 public holidays:

1. Maundy Thursday : четверг, 20 апрель, 1916
2. Good Friday : пятница, 21 апрель, 1916
3. Easter Monday : понедельник, 24 апрель, 1916
4. General Prayer Day : пятница, 19 май, 1916
5. Ascension Day : четверг, 1 июнь, 1916
6. Whit Monday : понедельник, 12 июнь, 1916
7. Christmas Day : понедельник, 25 декабрь, 1916
8. Boxing Day : вторник, 26 декабрь, 1916

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

1. New Year's Day : суббота, 1 январь, 1916
2. Easter Sunday : воскресенье, 23 апрель, 1916
3. Pentecost : воскресенье, 11 июнь, 1916