Assistant: Hello! I handle your requests in natural language, such as:
“Analyze the period from November 1, 2025, to April 25, 2028.”
or
“Add 100 business days to February 25, 2026.”
or
“Next Thursday at 2:12 PM + 124 working hours”
Assistant:
I understand all languages.
How many working days in year 1931?
Here is the detail of the calculation:
Because 1931 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 9 public holidays that do not fall during a weekend and we obtain 252 working days in 1931.
Here is the list of these 9 public holidays:
1. 신정 : Thursday, 1 January, 1931
2. Seollal / Korean New Year Holiday : Monday, 16 February, 1931
3. Seollal / Korean New Year Holiday : Tuesday, 17 February, 1931
4. Seollal / Korean New Year Holiday : Wednesday, 18 February, 1931
5. 삼일절 : Monday, 2 March, 1931
6. 어린이날 : Tuesday, 5 May, 1931
7. 추석 : Friday, 25 September, 1931
8. 한글날 : Friday, 9 October, 1931
9. 성탄절 : Friday, 25 December, 1931
And here are the 7 public holidays falling on a weekend:
1. 삼일절 : Sunday, 1 March, 1931
2. 석가탄신일 : Sunday, 24 May, 1931
3. 현충일 : Saturday, 6 June, 1931
4. 광복절 : Saturday, 15 August, 1931
5. 추석 : Saturday, 26 September, 1931
6. 추석 : Sunday, 27 September, 1931
7. 개천절 : Saturday, 3 October, 1931
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