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How many working days in year 2131?

Here is the detail of the calculation:

Because 2131 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 2131.

Here is the list of these 8 public holidays:

1. New Year's Day : понедельник, 1 январь, 2131
2. Maundy Thursday : четверг, 12 апрель, 2131
3. Good Friday : пятница, 13 апрель, 2131
4. Easter Monday : понедельник, 16 апрель, 2131
5. Ascension Day : четверг, 24 май, 2131
6. Whit Monday : понедельник, 4 июнь, 2131
7. Christmas Day : вторник, 25 декабрь, 2131
8. Boxing Day : среда, 26 декабрь, 2131

And here are the 2 public holidays falling on a weekend:

1. Easter Sunday : воскресенье, 15 апрель, 2131
2. Pentecost : воскресенье, 3 июнь, 2131