Определить период

...

How many working days in year 2121?

Here is the detail of the calculation:

Because 2121 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 10 public holidays that do not fall during a weekend and we obtain 251 working days in 2121.

Here is the list of these 10 public holidays:

1. New Year's Day : среда, 1 январь, 2121
2. St Brigid's Day : понедельник, 3 февраль, 2121
3. St. Patrick's Day : понедельник, 17 март, 2121
4. Easter Monday : понедельник, 7 апрель, 2121
5. Early May Bank Holiday : понедельник, 5 май, 2121
6. June Bank Holiday : понедельник, 2 июнь, 2121
7. Summer Bank Holiday : понедельник, 4 август, 2121
8. October Bank Holiday : понедельник, 27 октябрь, 2121
9. Christmas Day : четверг, 25 декабрь, 2121
10. St. Stephen's Day : пятница, 26 декабрь, 2121