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How many working days in year 1967?

Here is the detail of the calculation:

Because 1967 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 1967.

Here is the list of these 8 public holidays:

1. Purim : воскресенье, 26 март, 1967
2. Pesach : вторник, 25 апрель, 1967
3. Shvi'i shel Pesach : понедельник, 1 май, 1967
4. Yom Ha-Atzmaut : понедельник, 15 май, 1967
5. Shavuot : среда, 14 июнь, 1967
6. Rosh Hashanah : четверг, 5 октябрь, 1967
7. Sukkot : четверг, 19 октябрь, 1967
8. Shemini Atzeret / Simchat Torah : четверг, 26 октябрь, 1967

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

1. Rosh Hashanah : пятница, 6 октябрь, 1967
2. Yom Kippur : суббота, 14 октябрь, 1967