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How many working days in year 2124?

Here is the detail of the calculation:

Because 2124 is a leap year, it has 366 days.

Let's remove 52 saturdays and 53 sundays. It remains 261 days.

Now, let's remove 5 public holidays that do not fall during a weekend and we obtain 256 working days in 2124.

Here is the list of these 5 public holidays:

1. Pesach : четверг, 30 март, 2124
2. Shvi'i shel Pesach : среда, 5 апрель, 2124
3. Yom Ha-Atzmaut : среда, 19 апрель, 2124
4. Rosh Hashanah : воскресенье, 10 сентябрь, 2124
5. Yom Kippur : понедельник, 18 сентябрь, 2124

And here are the 4 public holidays falling on a weekend:

1. Shavuot : пятница, 19 май, 2124
2. Rosh Hashanah : суббота, 9 сентябрь, 2124
3. Sukkot : суббота, 23 сентябрь, 2124
4. Shemini Atzeret / Simchat Torah : суббота, 30 сентябрь, 2124