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How many working days in year 1971?

Here is the detail of the calculation:

Because 1971 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 7 public holidays that do not fall during a weekend and we obtain 254 working days in 1971.

Here is the list of these 7 public holidays:

1. New Year's Day : пятница, 1 январь, 1971
2. National Day : понедельник, 15 март, 1971
3. Good Friday : пятница, 9 апрель, 1971
4. Easter Monday : понедельник, 12 апрель, 1971
5. Pentecost Monday : понедельник, 31 май, 1971
6. State Foundation Day : пятница, 20 август, 1971
7. All Saints' Day : понедельник, 1 ноябрь, 1971

And here are the 6 public holidays falling on a weekend:

1. Easter Sunday : воскресенье, 11 апрель, 1971
2. Labour Day : суббота, 1 май, 1971
3. Pentecost Sunday : воскресенье, 30 май, 1971
4. National Day : суббота, 23 октябрь, 1971
5. Christmas Day : суббота, 25 декабрь, 1971
6. Second Day of Christmas : воскресенье, 26 декабрь, 1971