Question 1

How many days does April 1989 have?

Accepted Answer

April 1989 has 30 days. It starts on Saturday and ends on Sunday.

Question 2

What ISO week does April 1989 start in?

Accepted Answer

1 April 1989 falls in ISO week 13. Weeks run Monday–Sunday per ISO 8601.

Question 3

Where can I see the public holidays of Greenland in April 1989?

Accepted Answer

The calendar on this page marks every national public holiday of Greenland in April 1989 in red, with joint/regional days in amber.