Define a period

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How many working days in year 2045?

Here is the detail of the calculation:

Because 2045 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 8 public holidays that do not fall during a weekend and we obtain 252 working days in 2045.

Here is the list of these 8 public holidays:

1. Loppiainen : Friday, 6 January, 2045
2. Pitkäperjantai : Friday, 7 April, 2045
3. 2. pääsiäispäivä : Monday, 10 April, 2045
4. Vappu : Monday, 1 May, 2045
5. Helatorstai : Thursday, 18 May, 2045
6. Itsenäisyyspäivä : Wednesday, 6 December, 2045
7. Joulupäivä : Monday, 25 December, 2045
8. Tapaninpäivä : Tuesday, 26 December, 2045

And here are the 5 public holidays falling on a weekend:

1. Uudenvuodenpäivä : Sunday, 1 January, 2045
2. Pääsiäispäivä : Sunday, 9 April, 2045
3. Helluntaipäivä : Sunday, 28 May, 2045
4. Juhannuspäivä : Saturday, 24 June, 2045
5. Pyhäinpäivä : Saturday, 4 November, 2045