Question 1

How many days does October 1917 have?

Accepted Answer

October 1917 has 31 days. It starts on Monday and ends on Wednesday.

Question 2

What ISO week does October 1917 start in?

Accepted Answer

1 October 1917 falls in ISO week 40. Weeks run Monday–Sunday per ISO 8601.

Question 3

Where can I see the public holidays of Poland in October 1917?

Accepted Answer

The calendar on this page marks every national public holiday of Poland in October 1917 in red, with joint/regional days in amber.

październik 1917