<page_title> List of Billboard Adult Contemporary number ones of 2008 </page_title> <section_title> Chart history </section_title> <table> <cell> September 20 <col_header> Issue date </col_header> <col_header> January 5 </col_header> <col_header> January 12 </col_header> <col_header> January 19 </col_header> <col_header> January 26 </col_header> <col_header> February 2 </col_header> <col_header> February 9 </col_header> <col_header> February 16 </col_header> <col_header> February 23 </col_header> <col_header> March 1 </col_header> <col_header> March 8 </col_header> <col_header> March 15 </col_header> <col_header> March 22 </col_header> <col_header> March 29 </col_header> <col_header> April 5 </col_header> <col_header> April 12 </col_header> <col_header> April 19 </col_header> <col_header> April 26 </col_header> <col_header> May 3 </col_header> <col_header> May 10 </col_header> <col_header> May 17 </col_header> <col_header> May 24 </col_header> <col_header> May 31 </col_header> <col_header> June 7 </col_header> <col_header> June 14 </col_header> <col_header> June 21 </col_header> <col_header> June 28 </col_header> <col_header> July 5 </col_header> <col_header> July 12 </col_header> <col_header> July 19 </col_header> <col_header> July 26 </col_header> <col_header> August 2 </col_header> <col_header> August 9 </col_header> <col_header> August 16 </col_header> <col_header> August 23 </col_header> <col_header> August 30 </col_header> <col_header> September 6 </col_header> <col_header> September 13 </col_header> </cell> <cell> "The Time of My Life" <col_header> Title </col_header> <row_header> September 20 </row_header> </cell> <cell> David Cook <col_header> Artist(s) </col_header> <row_header> September 20 </row_header> </cell> </table>
David Cook, reached number one on the Billboard Adult Contemporary chart dated September 20 with "The Time of My Life".