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How many working days in year 1950?

Here is the detail of the calculation:

Because 1950 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 8 public holidays that do not fall during a weekend and we obtain 253 working days in 1950.

Here is the list of these 8 public holidays:

1. Pesach : воскресенье, 2 апрель, 1950
2. Yom Ha-Atzmaut : четверг, 20 апрель, 1950
3. Shavuot : понедельник, 22 май, 1950
4. Rosh Hashanah : вторник, 12 сентябрь, 1950
5. Rosh Hashanah : среда, 13 сентябрь, 1950
6. Yom Kippur : четверг, 21 сентябрь, 1950
7. Sukkot : вторник, 26 сентябрь, 1950
8. Shemini Atzeret / Simchat Torah : вторник, 3 октябрь, 1950

And here is the public holiday falling on a weekend:

1. Shvi'i shel Pesach : суббота, 8 апрель, 1950