Question 1

How many days does April 1931 have?

Accepted Answer

April 1931 has 30 days. It starts on Wednesday and ends on Thursday.

Question 2

What ISO week does April 1931 start in?

Accepted Answer

1 April 1931 falls in ISO week 14. Weeks run Monday–Sunday per ISO 8601.

Question 3

Where can I see the public holidays of United States in April 1931?

Accepted Answer

The calendar on this page marks every national public holiday of United States in April 1931 in red, with joint/regional days in amber.