Singlen havde succes i radioen i hele 2003,<ref name="Wilson"/> og har optrådt på flere singlehitlister over hele verden. I Storbritannien toppede sangen som nummer ni.<ref>{{cite news|url=http://news.bbc.co.uk/1/hi/entertainment/music/4497001.stm|title=Coldplay make US singles history|date=2005-05-05|work=[[British Broadcasting Corporation]]|access-date=2008-07-13}}</ref> I USA, toppede "Clocks" som nummer 29.<ref>{{cite news|url=http://www.billboard.com/bbcom/search/google/article_display.jsp?vnu_content_id=1000901669|title=Stefani Single Ousts 50 Cent From No. 1|last=Whitmire|first=Margo|date=2005-04-28|work=Billboard|publisher=Nielsen Business Media, Inc|access-date=2008-07-13|archive-url=https://archive.today/20120526062207/http://www.billboard.com/bbcom/search/google/article_display.jsp?vnu_content_id=1000901669%23/bbcom/search/google/article_display.jsp?vnu_content_id=1000901669|archive-date=26. maj 2012|url-status=live}}</ref> Sangen nåede syvendepladsen i Canada, og 28.-pladsen i Australien.
Musik