Question 1

How many days does September 1990 have?

Accepted Answer

September 1990 has 30 days. It starts on Saturday and ends on Sunday.

Question 2

What ISO week does September 1990 start in?

Accepted Answer

1 September 1990 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 1990?

Accepted Answer

The calendar on this page marks every national public holiday of South Korea in September 1990 in red, with joint/regional days in amber.

9월 1990