Question 1

How many days does January 2009 have?

Accepted Answer

January 2009 has 31 days. It starts on Thursday and ends on Saturday.

Question 2

What ISO week does January 2009 start in?

Accepted Answer

1 January 2009 falls in ISO week 1. Weeks run Monday–Sunday per ISO 8601.

Question 3

Where can I see the public holidays of South Korea in January 2009?

Accepted Answer

The calendar on this page marks every national public holiday of South Korea in January 2009 in red, with joint/regional days in amber.

1월 2009