Define a period

...

How many working days in year 2056?

Here is the detail of the calculation:

Because 2056 is a leap year, it has 366 days.

Let's remove 53 saturdays and 53 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 2056.

Here is the list of these 7 public holidays:

1. Good Friday : Friday, 31 March, 2056
2. Easter Monday : Monday, 3 April, 2056
3. King's Day : Thursday, 27 April, 2056
4. Ascension Day : Thursday, 11 May, 2056
5. Pentecost Monday : Monday, 22 May, 2056
6. Christmas Day : Monday, 25 December, 2056
7. Boxing Day : Tuesday, 26 December, 2056

And here are the 3 public holidays falling on a weekend:

1. New Year's Day : Saturday, 1 January, 2056
2. Easter Sunday : Sunday, 2 April, 2056
3. Pentecost Sunday : Sunday, 21 May, 2056