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How many working days in year 2004?

Here is the detail of the calculation:

Because 2004 is a leap year, it has 366 days.

Let's remove 52 saturdays and 52 sundays. It remains 262 days.

Now, let's remove 6 public holidays that do not fall during a weekend and we obtain 256 working days in 2004.

Here is the list of these 6 public holidays:

1. New Year's Day : четверг, 1 январь, 2004
2. Epiphany : вторник, 6 январь, 2004
3. Good Friday : пятница, 9 апрель, 2004
4. Easter Monday : понедельник, 12 апрель, 2004
5. Ascension Day : четверг, 20 май, 2004
6. Independence Day : понедельник, 6 декабрь, 2004

And here are the 7 public holidays falling on a weekend:

1. Easter Sunday : воскресенье, 11 апрель, 2004
2. May Day : суббота, 1 май, 2004
3. Whit Sunday : воскресенье, 30 май, 2004
4. Midsummer Day : суббота, 26 июнь, 2004
5. All Saints' Day : суббота, 6 ноябрь, 2004
6. Christmas Day : суббота, 25 декабрь, 2004
7. St Stephen's Day : воскресенье, 26 декабрь, 2004