Question 1

How many days does December 1961 have?

Accepted Answer

December 1961 has 31 days. It starts on Friday and ends on Sunday.

Question 2

What ISO week does December 1961 start in?

Accepted Answer

1 December 1961 falls in ISO week 48. Weeks run Monday–Sunday per ISO 8601.

Question 3

Where can I see the public holidays of United States in December 1961?

Accepted Answer

The calendar on this page marks every national public holiday of United States in December 1961 in red, with joint/regional days in amber.