On the 13th Day

On the 13th Day is the 17th studio album by the British rock band Magnum (including Keeping the Nite Light Burning and ignoring Evolution), which was released in September 2012, under the label of Steamhammer Records/SPV. The cover artwork was painted by Rodney Matthews.

The album entered the charts at number 3 in the UK Rock & Metal Charts, number 5 in the UK Indie Charts, number 28 in the German Album Charts, #36 Swedish Album Charts, #43 UK Album Charts during its first week, making it their most successful album since their reformation in 2002 at the time of its release. The song "Let It Rain" was released as the first single from the album.

Bob Catley stated that he considers On the 13th Day to be Magnum's rockiest album to date, with the track "Dance of the Black Tattoo" possibly classifying as a heavy metal song.