Определить период

...

How many working days in year 2054?

Here is the detail of the calculation:

Because 2054 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 7 public holidays that do not fall during a weekend and we obtain 254 working days in 2054.

Here is the list of these 7 public holidays:

1. New Year's Day : четверг, 1 январь, 2054
2. Epiphany : вторник, 6 январь, 2054
3. Good Friday : пятница, 27 март, 2054
4. Easter Monday : понедельник, 30 март, 2054
5. May Day : пятница, 1 май, 2054
6. Ascension Day : четверг, 7 май, 2054
7. Christmas Day : пятница, 25 декабрь, 2054

And here are the 6 public holidays falling on a weekend:

1. Easter Sunday : воскресенье, 29 март, 2054
2. Whit Sunday : воскресенье, 17 май, 2054
3. Midsummer Day : суббота, 20 июнь, 2054
4. All Saints' Day : суббота, 31 октябрь, 2054
5. Independence Day : воскресенье, 6 декабрь, 2054
6. St Stephen's Day : суббота, 26 декабрь, 2054