Define a period

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How many working days in year 1995?

Here is the detail of the calculation:

Because 1995 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 1995.

Here is the list of these 8 public holidays:

1. Purim : Thursday, 16 March, 1995
2. Yom Ha-Atzmaut : Thursday, 4 May, 1995
3. Shavuot : Sunday, 4 June, 1995
4. Rosh Hashanah : Monday, 25 September, 1995
5. Rosh Hashanah : Tuesday, 26 September, 1995
6. Yom Kippur : Wednesday, 4 October, 1995
7. Sukkot : Monday, 9 October, 1995
8. Shemini Atzeret / Simchat Torah : Monday, 16 October, 1995

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

1. Pesach : Saturday, 15 April, 1995
2. Shvi'i shel Pesach : Friday, 21 April, 1995