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How many working days in year 2109?

Here is the detail of the calculation:

Because 2109 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 2109.

Here is the list of these 8 public holidays:

1. Purim : воскресенье, 17 март, 2109
2. Pesach : вторник, 16 апрель, 2109
3. Shvi'i shel Pesach : понедельник, 22 апрель, 2109
4. Yom Ha-Atzmaut : вторник, 7 май, 2109
5. Shavuot : среда, 5 июнь, 2109
6. Rosh Hashanah : четверг, 26 сентябрь, 2109
7. Sukkot : четверг, 10 октябрь, 2109
8. Shemini Atzeret / Simchat Torah : четверг, 17 октябрь, 2109

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

1. Rosh Hashanah : пятница, 27 сентябрь, 2109
2. Yom Kippur : суббота, 5 октябрь, 2109