Question: is 2am and 2pm the same group?
Answer: 2AM (Korean: 투에이엠) is a South Korean boy group, that consisted of Jo Kwon, Lee Changmin, Lim Seulong and Jeong Jinwoon. It was one of the two subgroups split from the eleven-member boy band One Day, the other being 2PM. They officially debuted on July 11, 2008, on KBS' Music Bank, performing the song "This Song".