Question 1

How many days does April 1977 have?

Accepted Answer

April 1977 has 30 days. It starts on Friday and ends on Saturday.

Question 2

What ISO week does April 1977 start in?

Accepted Answer

1 April 1977 falls in ISO week 13. Weeks run Monday–Sunday per ISO 8601.

Question 3

Where can I see the public holidays of United States in April 1977?

Accepted Answer

The calendar on this page marks every national public holiday of United States in April 1977 in red, with joint/regional days in amber.