Define a period

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How many working days in year 2016?

Here is the detail of the calculation:

Because 2016 is a leap year, it has 366 days.

Let's remove 53 saturdays and 53 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 2016.

Here is the list of these 8 public holidays:

1. Purim : Thursday, 24 March, 2016
2. Yom Ha-Atzmaut : Thursday, 12 May, 2016
3. Shavuot : Sunday, 12 June, 2016
4. Rosh Hashanah : Monday, 3 October, 2016
5. Rosh Hashanah : Tuesday, 4 October, 2016
6. Yom Kippur : Wednesday, 12 October, 2016
7. Sukkot : Monday, 17 October, 2016
8. Shemini Atzeret / Simchat Torah : Monday, 24 October, 2016

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

1. Pesach : Saturday, 23 April, 2016
2. Shvi'i shel Pesach : Friday, 29 April, 2016