Define a period

...

How many working days in year 1996?

Here is the detail of the calculation:

Because 1996 is a leap year, it has 366 days.

Let's remove 52 saturdays and 52 sundays. It remains 262 days.

Now, let's remove 9 public holidays that do not fall during a weekend and we obtain 253 working days in 1996.

Here is the list of these 9 public holidays:

1. New Year's Day : Monday, 1 January, 1996
2. Maundy Thursday : Thursday, 4 April, 1996
3. Good Friday : Friday, 5 April, 1996
4. Easter Monday : Monday, 8 April, 1996
5. General Prayer Day : Friday, 3 May, 1996
6. Ascension Day : Thursday, 16 May, 1996
7. Whit Monday : Monday, 27 May, 1996
8. Christmas Day : Wednesday, 25 December, 1996
9. Boxing Day : Thursday, 26 December, 1996

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

1. Easter Sunday : Sunday, 7 April, 1996
2. Pentecost : Sunday, 26 May, 1996