Define a period

...

How many working days in year 2005?

Here is the detail of the calculation:

Because 2005 is not a leap year, it has 365 days.

Let's remove 53 saturdays and 52 sundays. It remains 260 days.

Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 253 working days in 2005.

Here is the list of these 7 public holidays:

1. Skærtorsdag : Thursday, 24 March, 2005
2. Langfredag : Friday, 25 March, 2005
3. 2. påskedag : Monday, 28 March, 2005
4. Store Bededag : Friday, 22 April, 2005
5. Kristi Himmelfartsdag : Thursday, 5 May, 2005
6. 2. pinsedag : Monday, 16 May, 2005
7. 2. juledag : Monday, 26 December, 2005

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

1. Nytårsdag : Saturday, 1 January, 2005
2. Påskedag : Sunday, 27 March, 2005
3. Pinsedag : Sunday, 15 May, 2005
4. Juledag : Sunday, 25 December, 2005