Define a period

...

How many working days in year 2002?

Here is the detail of the calculation:

Because 2002 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 5 public holidays that do not fall during a weekend and we obtain 256 working days in 2002.

Here is the list of these 5 public holidays:

1. פסח : Thursday, 28 March, 2002
2. שביעי של פסח : Wednesday, 3 April, 2002
3. יום העצמאות : Wednesday, 17 April, 2002
4. ראש השנה : Sunday, 8 September, 2002
5. יום כיפור : Monday, 16 September, 2002

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

1. שבועות : Friday, 17 May, 2002
2. ראש השנה : Saturday, 7 September, 2002
3. סוכות : Saturday, 21 September, 2002
4. שמחת תורה/שמיני עצרת : Saturday, 28 September, 2002