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How many working days in year 2113?

Here is the detail of the calculation:

Because 2113 is not a leap year, it has 365 days.

Let's remove 52 saturdays and 53 sundays. It remains 260 days.

Now, let's remove 5 public holidays that do not fall during a weekend and we obtain 255 working days in 2113.

Here is the list of these 5 public holidays:

1. New Year's Holiday : понедельник, 2 январь, 2113
2. National Day : среда, 15 февраль, 2113
3. National Day Holiday : четверг, 16 февраль, 2113
4. May Day : понедельник, 1 май, 2113
5. May Day Holiday : вторник, 2 май, 2113

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

1. New Year's Day : воскресенье, 1 январь, 2113
2. Orthodox Christmas Day : суббота, 7 январь, 2113
3. Armistice Day : суббота, 11 ноябрь, 2113