Define a period

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How many working days in year 1994?

Here is the detail of the calculation:

Because 1994 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 12 public holidays that do not fall during a weekend and we obtain 248 working days in 1994.

Here is the list of these 12 public holidays:

1. Seollal / Korean New Year Holiday : Wednesday, 9 February, 1994
2. Seollal / Korean New Year Holiday : Thursday, 10 February, 1994
3. Seollal / Korean New Year Holiday : Friday, 11 February, 1994
4. Independence Movement Day : Tuesday, 1 March, 1994
5. Children's Day : Thursday, 5 May, 1994
6. Buddha's Birthday : Wednesday, 18 May, 1994
7. Memorial Day : Monday, 6 June, 1994
8. Liberation Day : Monday, 15 August, 1994
9. Chuseok / Midautumn Festival : Monday, 19 September, 1994
10. Chuseok / Midautumn Festival : Tuesday, 20 September, 1994
11. Chuseok / Midautumn Festival : Wednesday, 21 September, 1994
12. National Foundation Day : Monday, 3 October, 1994

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

1. New Year's Day : Saturday, 1 January, 1994
2. Hangeul Day : Sunday, 9 October, 1994
3. Christmas Day : Sunday, 25 December, 1994