Question 1

How many days does August 1980 have?

Accepted Answer

August 1980 has 31 days. It starts on Friday and ends on Sunday.

Question 2

What ISO week does August 1980 start in?

Accepted Answer

1 August 1980 falls in ISO week 31. Weeks run Monday–Sunday per ISO 8601.

Question 3

Where can I see the public holidays of South Korea in August 1980?

Accepted Answer

The calendar on this page marks every national public holiday of South Korea in August 1980 in red, with joint/regional days in amber.

8월 1980