定义一个时期

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How many working days in year 2023?

Here is the detail of the calculation:

Because 2023 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 13 public holidays that do not fall during a weekend and we obtain 247 working days in 2023.

Here is the list of these 13 public holidays:

1. Heilige Drei Könige : 星期五, 2023, 01, 6
2. Ostermontag : 星期一, 2023, 04, 10
3. Staatsfeiertag : 星期一, 2023, 05, 1
4. Christi Himmelfahrt : 星期四, 2023, 05, 18
5. Pfingstmontag : 星期一, 2023, 05, 29
6. Fronleichnam : 星期四, 2023, 06, 8
7. Mariä Himmelfahrt : 星期二, 2023, 08, 15
8. Nationalfeiertag : 星期四, 2023, 10, 26
9. Allerheiligen : 星期三, 2023, 11, 1
10. St. Leopold : 星期三, 2023, 11, 15
11. Mariä Empfängnis : 星期五, 2023, 12, 8
12. Weihnachten : 星期一, 2023, 12, 25
13. Stefanitag : 星期二, 2023, 12, 26

And here is the public holiday falling on a weekend:

1. Neujahrstag : 星期日, 2023, 01, 1