When do 'comic-days' usually take place, and are they a global phenomenon?

While there isn't a single, universally designated 'Comic Day' like some other holidays, many 'comic-days' events revolve around significant dates in the comic industry. The most prominent example globally is 'Free Comic Book Day' (FCBD), which typically occurs on the first Saturday of May each year. However, local 'comic-days' can happen throughout the year, often aligning with regional cultural festivals, store anniversaries, or specific comic releases. Yes, they are a global phenomenon, with variations of these events celebrated in numerous countries, reflecting the worldwide popularity of comic books.