Man on the Moon: The End of Day is the debut studio album by American hip hop recording artist Kid Cudi, released on September 14, 2009, by Dream On, GOOD Music, and Universal Motown. A concept album, narrated by fellow American rapper Common, it follows the release of his first mixtape A Kid Named Cudi (2008). Production for the album took place during 2007 to 2009 and was handled by several record producers, including Cudi, Kanye West, Emile Haynie, Plain Pat, No I.D., Dot da Genius and Jeff Bhasker, among others.
Man on the Moon: The End of Day spawned three singles–”Day ‘n’ Nite”, “Make Her Say” and “Pursuit of Happiness”–that attained chart success, the former of which became a US platinum-certified hit single. To further promote the album, he toured with Asher Roth and Lady Gaga. Upon its release, Man on the Moon: The End of Day received positive reviews from most music critics, who praised it for its music composition and different approach to being a hip-hop record. Aside from being included on music critics list of the best albums of the year, Man on the Moon: The End of Day received three Grammy Awards nominations.
The album debuted at number four on both the US Billboard 200 and Billboard Top Rap Albums chart, selling 104,000 copies in its first week of release in the United States. It later became certified Gold by the Recording Industry Association of America (RIAA), for shipments exceeding 500,000 copies in the US. Outside of the US, the album was less commercially successful, generally peaking outside of the top fifty positions of album charts.