When is the green lanterns birthday?

Green Lantern, specifically Hal Jordan, does not have a widely recognized birthday in the comic book lore. However, various sources suggest that his birthday is celebrated on March 14, 1940, which aligns with his first appearance in "Showcase #22." Different Green Lantern characters may have their own distinct timelines and origins, but Hal Jordan is the most iconic Green Lantern associated with this date.