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 9 public holidays that do not fall during a weekend and we obtain 253 working days in 1992.

Here is the list of these 9 public holidays:

1. New Year's Day : среда, 1 январь, 1992
2. St. Patrick's Day : вторник, 17 март, 1992
3. Easter Monday : понедельник, 20 апрель, 1992
4. Early May Bank Holiday : понедельник, 4 май, 1992
5. June Bank Holiday : понедельник, 1 июнь, 1992
6. Summer Bank Holiday : понедельник, 3 август, 1992
7. October Bank Holiday : понедельник, 26 октябрь, 1992
8. Christmas Day : пятница, 25 декабрь, 1992
9. St. Stephen's Day (substitute day) : понедельник, 28 декабрь, 1992