One Day (2AM & 2PM)

"One Day"
Artist	2AM & 2PM
B-side	"No Goodbyes"
Released	July 4, 2012
Format(s)	CD, CD+DVD, download, streaming
Recorded	2012
Genre	Dance pop
Length	14:33 (physical) 18:39 (digital)
Label(s)	Ariola Japan
Release chronology
Previous	"Denwa ni Denai Kimi ni" (2AM) "Beautiful" (2PM)
Next	"For You ~Kimi no Tame ni Dekiru Koto~" (2AM) "Masquerade" (2PM)

"One Day" is a Japanese single by 2AM and 2PM. It was released on July 4, 2012 as a collaboration between the two groups under the name Oneday. The song serves as the main theme song for the documentary film Beyond the Oneday ~Story of 2PM & 2AM~, which was broadcast in Japan starting on June 30, 2012.

Release

The single was released in 12 editions:

• Type A is a CD + DVD
• Type B is CD only with a front cover art of 2PM member Jun. K
• Type C is CD only with a front cover art of 2PM member Nichkhun
• Type D is CD only with a front cover art of 2PM member Taecyeon
• Type E is CD only with a front cover art of 2PM member Wooyoung
• Type F is CD only with a front cover art of 2PM member Junho
• Type G is CD only with a front cover art of 2PM member Chansung
• Type H is CD only with a front cover art of 2AM member Changmin
• Type I is CD only with a front cover art of 2AM member Seulong
• Type J is CD only with a front cover art of 2AM member Jo Kwon
• Type K is CD only with a front cover art of 2AM member Jinwoon
• Regular edition is CD only with a bonus track ("Angel")

Track list

Types A–K

1. "One Day" - 3:42
2. "No Goodbyes" - 3:36
3. "One Day" (without main vocal) - 3:42
4. "No Goodbyes" (without main vocal) - 3:36

Regular edition & digital ver.

1. "One Day" - 3:42
2. "No Goodbyes" - 3:36
3. "Angel" (2PM - Live from JYP Nation in Japan 2011) - 4:06
4. "One Day" (without main vocal) - 3:42
5. "No Goodbyes" (without main vocal) - 3:36

DVD

1. "One Day" music video
2. "One Day" music video (Movie ver.)