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How many working days in year 2144?

Here is the detail of the calculation:

Because 2144 is a leap year, it has 366 days.

Let's remove 52 saturdays and 52 sundays. It remains 262 days.

Now, let's remove 8 public holidays that do not fall during a weekend and we obtain 254 working days in 2144.

Here is the list of these 8 public holidays:

1. New Year's Day : среда, 1 январь, 2144
2. Good Friday : пятница, 17 апрель, 2144
3. Easter Monday : понедельник, 20 апрель, 2144
4. King's Day : понедельник, 27 апрель, 2144
5. Liberation Day : вторник, 5 май, 2144
6. Ascension Day : четверг, 28 май, 2144
7. Pentecost Monday : понедельник, 8 июнь, 2144
8. Christmas Day : пятница, 25 декабрь, 2144

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

1. Easter Sunday : воскресенье, 19 апрель, 2144
2. Pentecost Sunday : воскресенье, 7 июнь, 2144
3. Boxing Day : суббота, 26 декабрь, 2144