Определить период

...

How many working days in year 1992?

Here is the detail of the calculation:

Because 1992 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 1992.

Here is the list of these 8 public holidays:

1. New Year's Day : среда, 1 январь, 1992
2. Maundy Thursday : четверг, 16 апрель, 1992
3. Good Friday : пятница, 17 апрель, 1992
4. Easter Monday : понедельник, 20 апрель, 1992
5. General Prayer Day : пятница, 15 май, 1992
6. Ascension Day : четверг, 28 май, 1992
7. Whit Monday : понедельник, 8 июнь, 1992
8. Christmas Day : пятница, 25 декабрь, 1992

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

1. Easter Sunday : воскресенье, 19 апрель, 1992
2. Pentecost : воскресенье, 7 июнь, 1992
3. Boxing Day : суббота, 26 декабрь, 1992