Define a period

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How many working days in year 2070?

Here is the detail of the calculation:

Because 2070 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 9 public holidays that do not fall during a weekend and we obtain 252 working days in 2070.

Here is the list of these 9 public holidays:

1. Første nyttårsdag : Wednesday, 1 January, 2070
2. Skjærtorsdag : Thursday, 27 March, 2070
3. Langfredag : Friday, 28 March, 2070
4. Andre påskedag : Monday, 31 March, 2070
5. Første mai : Thursday, 1 May, 2070
6. Kristi Himmelfartsdag : Thursday, 8 May, 2070
7. Andre pinsedag : Monday, 19 May, 2070
8. Første Juledag : Thursday, 25 December, 2070
9. Andre Juledag : Friday, 26 December, 2070

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

1. Første påskedag : Sunday, 30 March, 2070
2. Grunnlovsdagen : Saturday, 17 May, 2070
3. Første pinsedag : Sunday, 18 May, 2070