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 2021?
Here is the detail of the calculation:
Because 2021 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 2021.
Here is the list of these 9 public holidays:
1. New Year's Day : Friday, 1 January, 2021
2. Seollal / Korean New Year Holiday : Thursday, 11 February, 2021
3. Seollal / Korean New Year Holiday : Friday, 12 February, 2021
4. Independence Movement Day : Monday, 1 March, 2021
5. Children's Day : Wednesday, 5 May, 2021
6. Buddha's Birthday : Wednesday, 19 May, 2021
7. Chuseok / Midautumn Festival : Monday, 20 September, 2021
8. Chuseok / Midautumn Festival : Tuesday, 21 September, 2021
9. Chuseok / Midautumn Festival : Wednesday, 22 September, 2021
And here are the 6 public holidays falling on a weekend:
1. Seollal / Korean New Year Holiday : Saturday, 13 February, 2021
2. Memorial Day : Sunday, 6 June, 2021
3. Liberation Day : Sunday, 15 August, 2021
4. National Foundation Day : Sunday, 3 October, 2021
5. Hangeul Day : Saturday, 9 October, 2021
6. Christmas Day : Saturday, 25 December, 2021
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