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How many working days in year 2123?

Here is the detail of the calculation:

Because 2123 is not a leap year, it has 365 days.

Let's remove 53 saturdays and 52 sundays. It remains 260 days.

Now, let's remove 8 public holidays that do not fall during a weekend and we obtain 252 working days in 2123.

Here is the list of these 8 public holidays:

1. Pesach : воскресенье, 11 апрель, 2123
2. Yom Ha-Atzmaut : четверг, 29 апрель, 2123
3. Shavuot : понедельник, 31 май, 2123
4. Rosh Hashanah : вторник, 21 сентябрь, 2123
5. Rosh Hashanah : среда, 22 сентябрь, 2123
6. Yom Kippur : четверг, 30 сентябрь, 2123
7. Sukkot : вторник, 5 октябрь, 2123
8. Shemini Atzeret / Simchat Torah : вторник, 12 октябрь, 2123

And here is the public holiday falling on a weekend:

1. Shvi'i shel Pesach : суббота, 17 апрель, 2123