Define a period

...

How many working days in year 2040?

Here is the detail of the calculation:

Because 2040 is a leap year, it has 366 days.

Let's remove 52 saturdays and 53 sundays. It remains 261 days.

Now, let's remove 10 public holidays that do not fall during a weekend and we obtain 251 working days in 2040.

Here is the list of these 10 public holidays:

1. Good Friday : Friday, 30 March, 2040
2. Easter Monday : Monday, 2 April, 2040
3. Labour Day : Tuesday, 1 May, 2040
4. Liberation Day : Tuesday, 8 May, 2040
5. St Cyril and Methodius' Day : Thursday, 5 July, 2040
6. Jan Hus Day : Friday, 6 July, 2040
7. St Wenceslas Day : Friday, 28 September, 2040
8. Christmas Eve : Monday, 24 December, 2040
9. Christmas Day : Tuesday, 25 December, 2040
10. St. Stephen's Day : Wednesday, 26 December, 2040

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

1. Restoration Day of the Independent Czech State : Sunday, 1 January, 2040
2. Independence Day : Sunday, 28 October, 2040
3. Freedom and Democracy Day : Saturday, 17 November, 2040