Question 1

How many days does January 1965 have?

Accepted Answer

January 1965 has 31 days. It starts on Friday and ends on Sunday.

Question 2

What ISO week does January 1965 start in?

Accepted Answer

1 January 1965 falls in ISO week 52. Weeks run Monday–Sunday per ISO 8601.

Question 3

Where can I see the public holidays of Sri Lanka in January 1965?

Accepted Answer

The calendar on this page marks every national public holiday of Sri Lanka in January 1965 in red, with joint/regional days in amber.