Определить период

...

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 10 public holidays that do not fall during a weekend and we obtain 251 working days in 2142.

Here is the list of these 10 public holidays:

1. New Year's Day : понедельник, 1 январь, 2142
2. Australia Day : пятница, 26 январь, 2142
3. Labour Day : понедельник, 5 март, 2142
4. Good Friday : пятница, 13 апрель, 2142
5. Easter Monday : понедельник, 16 апрель, 2142
6. Anzac Day : среда, 25 апрель, 2142
7. Western Australia Day : понедельник, 4 июнь, 2142
8. King's Birthday : понедельник, 24 сентябрь, 2142
9. Christmas Day : вторник, 25 декабрь, 2142
10. Boxing Day : среда, 26 декабрь, 2142

And here is the public holiday falling on a weekend:

1. Easter Sunday : воскресенье, 15 апрель, 2142