Define a period

...

How many working days in year 2082?

Here is the detail of the calculation:

Because 2082 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 11 public holidays that do not fall during a weekend and we obtain 250 working days in 2082.

Here is the list of these 11 public holidays:

1. New Year's Day : Thursday, 1 January, 2082
2. Seollal / Korean New Year Holiday : Wednesday, 28 January, 2082
3. Seollal / Korean New Year Holiday : Thursday, 29 January, 2082
4. Seollal / Korean New Year Holiday : Friday, 30 January, 2082
5. Independence Movement Day : Monday, 2 March, 2082
6. Children's Day : Tuesday, 5 May, 2082
7. Chuseok / Midautumn Festival : Monday, 5 October, 2082
8. Chuseok / Midautumn Festival : Tuesday, 6 October, 2082
9. Chuseok / Midautumn Festival : Wednesday, 7 October, 2082
10. Hangeul Day : Friday, 9 October, 2082
11. Christmas Day : Friday, 25 December, 2082

And here are the 4 public holidays falling on a weekend:

1. Independence Movement Day : Sunday, 1 March, 2082
2. Memorial Day : Saturday, 6 June, 2082
3. Liberation Day : Saturday, 15 August, 2082
4. National Foundation Day : Saturday, 3 October, 2082