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How many working days in year 1940?

Here is the detail of the calculation:

Because 1940 is a leap year, it has 366 days.

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

Now, let's remove 8 public holidays that do not fall during a weekend and we obtain 254 working days in 1940.

Here is the list of these 8 public holidays:

1. Purim : воскресенье, 24 март, 1940
2. Pesach : вторник, 23 апрель, 1940
3. Shvi'i shel Pesach : понедельник, 29 апрель, 1940
4. Yom Ha-Atzmaut : понедельник, 13 май, 1940
5. Shavuot : среда, 12 июнь, 1940
6. Rosh Hashanah : четверг, 3 октябрь, 1940
7. Sukkot : четверг, 17 октябрь, 1940
8. Shemini Atzeret / Simchat Torah : четверг, 24 октябрь, 1940

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

1. Rosh Hashanah : пятница, 4 октябрь, 1940
2. Yom Kippur : суббота, 12 октябрь, 1940