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How many working days in year 1908?

Here is the detail of the calculation:

Because 1908 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 1908.

Here is the list of these 6 public holidays:

1. Purim : вторник, 17 март, 1908
2. Pesach : четверг, 16 апрель, 1908
3. Shvi'i shel Pesach : среда, 22 апрель, 1908
4. Yom Ha-Atzmaut : среда, 6 май, 1908
5. Rosh Hashanah : воскресенье, 27 сентябрь, 1908
6. Yom Kippur : понедельник, 5 октябрь, 1908

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

1. Shavuot : пятница, 5 июнь, 1908
2. Rosh Hashanah : суббота, 26 сентябрь, 1908
3. Sukkot : суббота, 10 октябрь, 1908
4. Shemini Atzeret / Simchat Torah : суббота, 17 октябрь, 1908