Define a period

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How many working days in year 2025?

Here is the detail of the calculation:

Because 2025 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 2025.

Here is the list of these 12 public holidays:

1. New Year's Day : Wednesday, 1 January, 2025
2. Seollal / Korean New Year Holiday : Tuesday, 28 January, 2025
3. Seollal / Korean New Year Holiday : Wednesday, 29 January, 2025
4. Seollal / Korean New Year Holiday : Thursday, 30 January, 2025
5. Children's Day : Monday, 5 May, 2025
6. Memorial Day : Friday, 6 June, 2025
7. Liberation Day : Friday, 15 August, 2025
8. National Foundation Day : Friday, 3 October, 2025
9. Chuseok / Midautumn Festival Day : Monday, 6 October, 2025
10. Day after Chuseok : Tuesday, 7 October, 2025
11. Hangeul Day : Thursday, 9 October, 2025
12. Christmas Day : Thursday, 25 December, 2025

And here are the 2 public holidays falling on a weekend:

1. Independence Movement Day : Saturday, 1 March, 2025
2. Day before Chuseok : Sunday, 5 October, 2025