note 93259 added to function.mktime

I am just wondering is this a bug or expected behaviour: echo date("r", mktime(0,0,0,9,31,2009)); It returns: Thu, 01 Oct 2009 00:00:00 +0200 but I "expect" i to be: Wed, 30 Sep 2009 00:00:00 +0200 Maybe I am missing the point, but I always supposed the mktime considers real dates. ---- Server IP: 147.32.160.17 Probable Submitter: 84.242.100.86 ---- Manual Page -- http://www.php.net/manual/en/function.mktime.php Edit -- https://master.php.net/note/edit/93259 Del: integrated -- https://master.php.net/note/delete/93259/integrated Del: useless -- https://master.php.net/note/delete/93259/useless Del: bad code -- https://master.php.net/note/delete/93259/bad+code Del: spam -- https://master.php.net/note/delete/93259/spam Del: non-english -- https://master.php.net/note/delete/93259/non-english Del: in docs -- https://master.php.net/note/delete/93259/in+docs Del: other reasons-- https://master.php.net/note/delete/93259 Reject -- https://master.php.net/note/reject/93259 Search -- https://master.php.net/manage/user-notes.php