12:56am Share definition Flag The exact time on March 1st, 1994 that Justin Bieber was born. Person 1: "Hey, it's 12:56am!" Person 2: "Oh my bieber!" 12:56am by belieberttm December 30, 2010 0 0 Get merch Get the 12:56am mug. Buy Now — $32.95 See more merch