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How many working days in year 1928?

Here is the detail of the calculation:

Because 1928 is a leap year, it has 366 days.

Let's remove 52 saturdays and 53 sundays. It remains 261 days.

Now, let's remove 6 public holidays that do not fall during a weekend and we obtain 255 working days in 1928.

Here is the list of these 6 public holidays:

1. Republic Day : четверг, 26 январь, 1928
2. Good Friday : пятница, 6 апрель, 1928
3. Independence Day : среда, 15 август, 1928
4. Mahatma Gandhi's Birthday : вторник, 2 октябрь, 1928
5. Christmas Eve : понедельник, 24 декабрь, 1928
6. Christmas : вторник, 25 декабрь, 1928

And here are the 4 public holidays falling on a weekend:

1. New Year's Day : воскресенье, 1 январь, 1928
2. Makar Sankranti : суббота, 14 январь, 1928
3. Maharaja Shivaji Jayanti : воскресенье, 19 февраль, 1928
4. Mesadi : суббота, 14 апрель, 1928