定义一个时期

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How many working days in year 2028?

Here is the detail of the calculation:

Because 2028 is a leap year, it has 366 days.

Let's remove 53 saturdays and 53 sundays. It remains 260 days.

Now, let's remove 4 public holidays that do not fall during a weekend and we obtain 256 working days in 2028.

Here is the list of these 4 public holidays:

1. Good Friday : 2028年4月14日星期五
2. Labour Day : 2028年5月1日星期一
3. National Day : 2028年8月9日星期三
4. Christmas Day : 2028年12月25日星期一

And here is the public holiday falling on a weekend:

1. New Year's Day : 2028年1月1日星期六