定义一个时期

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How many working days in year 2022?

Here is the detail of the calculation:

Because 2022 is not a leap year, it has 365 days.

Let's remove 53 saturdays and 52 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 2022.

Here is the list of these 10 public holidays:

1. Martin Luther King Day : 星期一, 2022, 01, 17
2. President's Day : 星期一, 2022, 02, 21
3. Memorial Day : 星期一, 2022, 05, 30
4. Juneteenth Observance : 星期一, 2022, 06, 20
5. Independence Day : 星期一, 2022, 07, 4
6. Labor Day : 星期一, 2022, 09, 5
7. Columbus Day : 星期一, 2022, 10, 10
8. Veterans Day : 星期五, 2022, 11, 11
9. Thanksgiving : 星期四, 2022, 11, 24
10. Christmas Observance : 星期一, 2022, 12, 26

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

1. New Year's Day : 星期六, 2022, 01, 1
2. Juneteenth : 星期日, 2022, 06, 19
3. Christmas : 星期日, 2022, 12, 25