Question 1

How many days does September 1987 have?

Accepted Answer

September 1987 has 30 days. It starts on Tuesday and ends on Wednesday.

Question 2

What ISO week does September 1987 start in?

Accepted Answer

1 September 1987 falls in ISO week 36. Weeks run Monday–Sunday per ISO 8601.

Question 3

Where can I see the public holidays of South Korea in September 1987?

Accepted Answer

The calendar on this page marks every national public holiday of South Korea in September 1987 in red, with joint/regional days in amber.

9월 1987