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How many working days in year 1968?

Here is the detail of the calculation:

Because 1968 is a leap year, it has 366 days.

Let's remove 52 saturdays and 52 sundays. It remains 262 days.

Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 255 working days in 1968.

Here is the list of these 7 public holidays:

1. Yom Ha-Atzmaut : четверг, 2 май, 1968
2. Shavuot : воскресенье, 2 июнь, 1968
3. Rosh Hashanah : понедельник, 23 сентябрь, 1968
4. Rosh Hashanah : вторник, 24 сентябрь, 1968
5. Yom Kippur : среда, 2 октябрь, 1968
6. Sukkot : понедельник, 7 октябрь, 1968
7. Shemini Atzeret / Simchat Torah : понедельник, 14 октябрь, 1968

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

1. Pesach : суббота, 13 апрель, 1968
2. Shvi'i shel Pesach : пятница, 19 апрель, 1968