PHP Date Format

$event_start_date=$values['starttime'];
			$getdate=explode('-',$event_start_date);		
			$correct_date=explode(' ',$getdate[2]);
			$time = explode(':',$correct_date[1]);
			$my_date1=mktime($time[0],$time[1],$time[2],$getdate[1],$correct_date[0],$getdate[0]);
			$my_month=strtoupper(date("M",$my_date1));
			$my_date=date("d",$my_date1);
			$my_time=date("H:i a",$my_date1);