Question 1

How many days does October 1931 have?

Accepted Answer

October 1931 has 31 days. It starts on Thursday and ends on Saturday.

Question 2

What ISO week does October 1931 start in?

Accepted Answer

1 October 1931 falls in ISO week 40. Weeks run Monday–Sunday per ISO 8601.

Question 3

Where can I see the public holidays of Japan in October 1931?

Accepted Answer

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

10月 1931