Third Day is a CCM and Christian rock band formed in Marietta, Georgia during the 1990s. The band was founded by lead singer Mac Powell and guitarist Mark Lee. The other band members are bassist Tai Anderson and drummer David Carr. The band's name is a reference to the biblical account of Jesus rising from the dead on the third day following his Crucifixion.
Their song, "Sky Falls Down", appears on the Left Behind: The Movie soundtrack album.