Question 1

How many days does September 1989 have?

Accepted Answer

September 1989 has 30 days. It starts on Friday and ends on Saturday.

Question 2

What ISO week does September 1989 start in?

Accepted Answer

1 September 1989 falls in ISO week 35. Weeks run Monday–Sunday per ISO 8601.

Question 3

Where can I see the public holidays of South Korea in September 1989?

Accepted Answer

The calendar on this page marks every national public holiday of South Korea in September 1989 in red, with joint/regional days in amber.

9월 1989