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How many working days in year 2142?

Here is the detail of the calculation:

Because 2142 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 2142.

Here is the list of these 9 public holidays:

1. New Year's Day : понедельник, 1 январь, 2142
2. Second Day of the New Year : вторник, 2 январь, 2142
3. Union of the Romanian Principalities : среда, 24 январь, 2142
4. Labour Day : вторник, 1 май, 2142
5. Children's Day : пятница, 1 июнь, 2142
6. Assumption : среда, 15 август, 2142
7. St. Andrew's Day : пятница, 30 ноябрь, 2142
8. Christmas Day : вторник, 25 декабрь, 2142
9. Boxing day : среда, 26 декабрь, 2142

And here are the 5 public holidays falling on a weekend:

1. Baptism of the Lord : суббота, 6 январь, 2142
2. Synaxis of St. John the Baptist : воскресенье, 7 январь, 2142
3. Pentecost Sunday : суббота, 9 июнь, 2142
4. Pentecost Monday : воскресенье, 10 июнь, 2142
5. National Day : суббота, 1 декабрь, 2142