𝗧𝗢𝗗𝗔𝗬 𝗜𝗦 𝗕𝗔𝗧𝗠𝗔𝗡 𝗗𝗔𝗬 BATMAN DAY takes place on Saturday, September 19, 2026, featuring global celebrations under the theme "Rule the Night". The date does not mark Batman's actual debut—his first appearance was technically in Detective Comics #27, which hit newsstands on March 30, 1939 (with a cover date of May 1939). Instead, the September date was chosen by DC Comics as a strategic lifestyle and retail event to kick off the fall season, driving fans to local comic book shops during a prime marketing window. #Batman #BatmanDay #BatmanDay2026