Question 1

How many days does April 1971 have?

Accepted Answer

April 1971 has 30 days. It starts on Thursday and ends on Friday.

Question 2

What ISO week does April 1971 start in?

Accepted Answer

1 April 1971 falls in ISO week 13. Weeks run Monday–Sunday per ISO 8601.

Question 3

Where can I see the public holidays of South Korea in April 1971?

Accepted Answer

The calendar on this page marks every national public holiday of South Korea in April 1971 in red, with joint/regional days in amber.

4월 1971