"Tuesday Afternoon" (sometimes referred to as "Forever Afternoon (Tuesday?)", or simply "Forever Afternoon") is a 1968 single by English symphonic rock band The Moody Blues, which was presented in its original album form on their 1967 album Days of Future Passed in two parts.
The first part, the one most familiar to listeners, called "Tuesday Afternoon", was originally released on The Moody Blues 1967 album Days of Future Passed, a concept album chronicling a typical day. On the album, it was part one of "The Afternoon" track titled "Forever Afternoon (Tuesday?)".
Justin Hayward wrote the song originally intending to name it "Tuesday Afternoon". At the insistence of producer Tony Clarke, it was named "Forever Afternoon (Tuesday?)" for its release on Days of Future Passed. However, when it was released as a single a year later, its name was changed back to "Tuesday Afternoon", and it has been more commonly known by this name ever since. Some of the Moody Blues compilation and live albums list the song as "Tuesday Afternoon (Forever Afternoon)" to reflect both titles.
"Tuesday Afternoon" was released as a single in 1968, and was the second single from Days of Future Passed (the first being "Nights in White Satin"). It was backed with another Days track, "Another Morning". The single version of "Tuesday Afternoon" was oddly edited down to 2:16, ending before the repeat of the opening riff and "Tuesday afternoon" verse.