Problems with Hour, minute, second query

HI, I want to select the HR, min , second from a time field in Mysql.It works when i do with Mysql directly. But the following code returns the same value for hour, minute and seconds. No clues. Please help.

          $query13="select hour(setuptime) ,minute(setuptime),      second(setuptime) from prodntime where prod_id='1'";
             if(!mysql_query($query13,$link)) print'Query13 failed';
           $setup=mysql_query($query13,$link);
           $numm=mysql_num_rows($setup);
           echo" $numm Rows selected<br>";
           $setuphr=mysql_result($setup,"hour(setuptime)");
           $setupmin=mysql_result($setup,"minute(setuptime)");
           $setupsec=mysql_result($setup,"second(setuptime)");
           echo" setup time is $setuphr : $setupmin : $setupsec<br>";

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