Define a period

...

How many working days in year 2003?

Here is the detail of the calculation:

Because 2003 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 10 public holidays that do not fall during a weekend and we obtain 251 working days in 2003.

Here is the list of these 10 public holidays:

1. Restoration Day of the Independent Czech State : Wednesday, 1 January, 2003
2. Good Friday : Friday, 18 April, 2003
3. Easter Monday : Monday, 21 April, 2003
4. Labour Day : Thursday, 1 May, 2003
5. Liberation Day : Thursday, 8 May, 2003
6. Independence Day : Tuesday, 28 October, 2003
7. Freedom and Democracy Day : Monday, 17 November, 2003
8. Christmas Eve : Wednesday, 24 December, 2003
9. Christmas Day : Thursday, 25 December, 2003
10. St. Stephen's Day : Friday, 26 December, 2003

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

1. St Cyril and Methodius' Day : Saturday, 5 July, 2003
2. Jan Hus Day : Sunday, 6 July, 2003
3. St Wenceslas Day : Sunday, 28 September, 2003