Определить период

...

How many working days in year 1946?

Here is the detail of the calculation:

Because 1946 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 1946.

Here is the list of these 8 public holidays:

1. Purim : воскресенье, 17 март, 1946
2. Pesach : вторник, 16 апрель, 1946
3. Shvi'i shel Pesach : понедельник, 22 апрель, 1946
4. Yom Ha-Atzmaut : понедельник, 6 май, 1946
5. Shavuot : среда, 5 июнь, 1946
6. Rosh Hashanah : четверг, 26 сентябрь, 1946
7. Sukkot : четверг, 10 октябрь, 1946
8. Shemini Atzeret / Simchat Torah : четверг, 17 октябрь, 1946

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

1. Rosh Hashanah : пятница, 27 сентябрь, 1946
2. Yom Kippur : суббота, 5 октябрь, 1946