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How many working days in year 1961?

Here is the detail of the calculation:

Because 1961 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 1961.

Here is the list of these 7 public holidays:

1. Yom Ha-Atzmaut : четверг, 20 апрель, 1961
2. Shavuot : воскресенье, 21 май, 1961
3. Rosh Hashanah : понедельник, 11 сентябрь, 1961
4. Rosh Hashanah : вторник, 12 сентябрь, 1961
5. Yom Kippur : среда, 20 сентябрь, 1961
6. Sukkot : понедельник, 25 сентябрь, 1961
7. Shemini Atzeret / Simchat Torah : понедельник, 2 октябрь, 1961

And here are the 2 public holidays falling on a weekend:

1. Pesach : суббота, 1 апрель, 1961
2. Shvi'i shel Pesach : пятница, 7 апрель, 1961