Question 1

How many days does April 1900 have?

Accepted Answer

April 1900 has 30 days. It starts on Sunday and ends on Monday.

Question 2

What ISO week does April 1900 start in?

Accepted Answer

1 April 1900 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 1900?

Accepted Answer

The calendar on this page marks every national public holiday of South Korea in April 1900 in red, with joint/regional days in amber.

4월 1900