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How many working days in year 2080?

Here is the detail of the calculation:

Because 2080 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 2080.

Here is the list of these 8 public holidays:

1. New Year's Day : понедельник, 1 январь, 2080
2. Good Friday : пятница, 5 апрель, 2080
3. Easter Monday : понедельник, 8 апрель, 2080
4. Labour Day : среда, 1 май, 2080
5. Establishment Day : понедельник, 1 июль, 2080
6. National Day : вторник, 1 октябрь, 2080
7. Christmas Day : среда, 25 декабрь, 2080
8. Boxing Day : четверг, 26 декабрь, 2080

And here is the public holiday falling on a weekend:

1. Holy Saturday : суббота, 6 апрель, 2080