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 10 public holidays that do not fall during a weekend and we obtain 250 working days in 2023.

Here is the list of these 10 public holidays:

1. Terça-feira de Carnaval : 星期二, 2023, 02, 21
2. Sexta Feira Santa ou Paixão de Cristo : 星期五, 2023, 04, 7
3. Tiradentes : 星期五, 2023, 04, 21
4. Dia do Trabalho : 星期一, 2023, 05, 1
5. Corpus Christi : 星期四, 2023, 06, 8
6. Independência do Brasil : 星期四, 2023, 09, 7
7. Nossa Senhora Aparecida : 星期四, 2023, 10, 12
8. Finados : 星期四, 2023, 11, 2
9. Proclamação da República Brasileira : 星期三, 2023, 11, 15
10. Natal : 星期一, 2023, 12, 25

And here is the public holiday falling on a weekend:

1. Confraternização Universal : 星期日, 2023, 01, 1