Define a period

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How many working days in year 2049?

Here is the detail of the calculation:

Because 2049 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 12 public holidays that do not fall during a weekend and we obtain 249 working days in 2049.

Here is the list of these 12 public holidays:

1. New Year's Day : Friday, 1 January, 2049
2. Seollal / Korean New Year Holiday : Monday, 1 February, 2049
3. Seollal / Korean New Year Holiday : Tuesday, 2 February, 2049
4. Seollal / Korean New Year Holiday : Wednesday, 3 February, 2049
5. Independence Movement Day : Monday, 1 March, 2049
6. Children's Day : Wednesday, 5 May, 2049
7. Buddha's Birthday : Monday, 10 May, 2049
8. Liberation Day : Monday, 16 August, 2049
9. Chuseok / Midautumn Festival : Friday, 10 September, 2049
10. National Foundation Day : Monday, 4 October, 2049
11. Hangeul Day : Monday, 11 October, 2049
12. Christmas Day : Monday, 27 December, 2049

And here are the 8 public holidays falling on a weekend:

1. Buddha's Birthday : Sunday, 9 May, 2049
2. Memorial Day : Sunday, 6 June, 2049
3. Liberation Day : Sunday, 15 August, 2049
4. Chuseok / Midautumn Festival : Saturday, 11 September, 2049
5. Chuseok / Midautumn Festival : Sunday, 12 September, 2049
6. National Foundation Day : Sunday, 3 October, 2049
7. Hangeul Day : Saturday, 9 October, 2049
8. Christmas Day : Saturday, 25 December, 2049