28 Days are a punk rock band formed in Bacchus Marsh, Australia during 1997. At their career peak, they had a #1 album (Upstyledown) on the Australian ARIAnet Albums Chart and also a #12 single ("Rip It Up") on the ARIAnet Singles Chart.
The band's constant members are Jay Dunne (vocals), Simon Hepburn aka 'Hep' (guitar), and Damian Gardiner (bass). Original drummer Adam was replaced by Scott Murray in 2000. On 18 November 2001, Murray died after being hit by a car in the Melbourne suburb of Prahran. Vinnie Jukic then briefly filled in the drum role until Adrian Griffin joined, and Griffin would go on to stay until the band's dissolution. For the album Extremist Makeover, the drums were laid down by Matt Bray.The band came out of Hiatus in December 2009 to support long time friends Bodyjar on their 'End is Now' Tour. 28 Days have announced that they are currently writing an LP with new drummer Dan Kerby (previously of Behind Crimson Eyes) who joined the band at the beginning of 2011.