Define a period

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How many working days in year 2090?

Here is the detail of the calculation:

Because 2090 is not a leap year, it has 365 days.

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

Now, let's remove 10 public holidays that do not fall during a weekend and we obtain 250 working days in 2090.

Here is the list of these 10 public holidays:

1. Easter Monday : Monday, 17 April, 2090
2. Labour Day : Monday, 1 May, 2090
3. Europe Day : Tuesday, 9 May, 2090
4. Ascension Day : Thursday, 25 May, 2090
5. Whit Monday : Monday, 5 June, 2090
6. National Day : Friday, 23 June, 2090
7. Assumption of Mary : Tuesday, 15 August, 2090
8. All Saints' Day : Wednesday, 1 November, 2090
9. Christmas Day : Monday, 25 December, 2090
10. St. Stephen's Day : Tuesday, 26 December, 2090

And here is the public holiday falling on a weekend:

1. New Year's Day : Sunday, 1 January, 2090