Define a period

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How many working days in year 2055?

Here is the detail of the calculation:

Because 2055 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 7 public holidays that do not fall during a weekend and we obtain 254 working days in 2055.

Here is the list of these 7 public holidays:

1. New Year's Day : Friday, 1 January, 2055
2. Easter Monday : Monday, 19 April, 2055
3. Ascension Day : Thursday, 27 May, 2055
4. Pentecost Monday : Monday, 7 June, 2055
5. National Day : Wednesday, 21 July, 2055
6. All Saints' Day : Monday, 1 November, 2055
7. Armistice Day : Thursday, 11 November, 2055

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

1. Labor Day : Saturday, 1 May, 2055
2. Assumption of Mary : Sunday, 15 August, 2055
3. Christmas Day : Saturday, 25 December, 2055