Cirno Day 2024. In a game manual, cirno was labeled as an idiot (バカ) under number nine, and the number nine is heavily associated with cirno, which is why cirno day is declared to be.  — this page contains a national calendar of all 2024 public holidays for india.

In the touhou project fandom, there are several days celebrated by fans, usually by posting fanart. Edited with permission from the original creator by shapelessshapeless