Golden Time is a 2012 South Korean medical drama starring Lee Sun-kyun, Hwang Jung-eum, Lee Sung-min and Song Seon-mi. It aired on MBC from July 9 to September 25, 2012 on Mondays and Tuesdays at 21:55 for 23 episodes.In emergency medicine, "golden time" or "golden hour" refers to the crucial time period right after a patient suffers a traumatic injury, during which timely medical treatment could determine life or death.