Erros No Gesior 2012 Tfs 1.0!

Eaew Pessoal Blz? eu Baixei um Gesior 2012 de tfs 1.1 no meu OT tfs 1.1 e funcionou!
mas como nada é perfeito tem uns erros!
e gostaria da ajuda de voçês para Conserta!
Eu cheguei a estudar html um pouco mas Quase 100% do gesioré em php! e php não sei muito! então gostaria de pedir novamente para vcs me ajudarem a conserta estes erros. 
 
Erro Na Pagina Inicial!

-- Strict Standards: date() [function.date]: It is not safe to rely on the system's timezone settings. Please use the date.timezone setting, the TZ environment variable or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Sao_Paulo' for '-3.0/no DST' instead in C:\xampp\htdocs\pages\latestnews.php on line 105 -- 

Esta é a Linha 105 do Arquivo latestnews.php, eu apaguei esta linha, dai saiu o erro, mas fica sem aparecer o dia e a hora que foi postado o tópico!

$main_content .= '<tr><td><b>' . htmlspecialchars($thread['post_topic']) . '</a></td><td style="text-align:right">' . date('d.m.y H:i:s', $thread['post_date']) . '</td></tr>';

2 Erros Na Pagina de Accountmanagement

este erro :

Strict Standards: date() [function.date]: It is not safe to rely on the system's timezone settings. Please use the date.timezone setting, the TZ environment variable or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Sao_Paulo' for '-3.0/no DST' instead in C:\xampp\htdocs\classes\account.php on line 189

Linha 189 do Account.php

public function getPremDays(){return $this->data['premdays'] - (date("z", time()) + (365 * (date("Y", time()) - date("Y", $this->data['lastday']))) - date("z", $this->data['lastday']));}

E Este Erro :

Strict Standards: date() [function.date]: It is not safe to rely on the system's timezone settings. Please use the date.timezone setting, the TZ environment variable or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Sao_Paulo' for '-3.0/no DST' instead in C:\xampp\htdocs\pages\accountmanagement.php on line 66

Linha 66 do Arquivo accountmanagement.php:

$main_content .= '<a name="General+Information" ></a><div class="TopButtonContainer" ><div class="TopButton" ><a href="#top" > <image style="border:0px;" src="'.$layout_name.'/images/content/back-to-top.gif" /></a></div></div><div class="TableContainer" ><table class="Table3" cellpadding="0" cellspacing="0" >    <div class="CaptionContainer" >      <div class="CaptionInnerContainer" >        <span class="CaptionEdgeLeftTop" style="background-image:url('.$layout_name.'/images/content/box-frame-edge.gif);" /></span><span class="CaptionEdgeRightTop" style="background-image:url('.$layout_name.'/images/content/box-frame-edge.gif);" /></span><span class="CaptionBorderTop" style="background-image:url('.$layout_name.'/images/content/table-headline-border.gif);" ></span><span class="CaptionVerticalLeft" style="background-image:url('.$layout_name.'/images/content/box-frame-vertical.gif);" /></span><div class="Text" >General Information</div><span class="CaptionVerticalRight" style="background-image:url('.$layout_name.'/images/content/box-frame-vertical.gif);" /></span><span class="CaptionBorderBottom" style="background-image:url('.$layout_name.'/images/content/table-headline-border.gif);" ></span><span class="CaptionEdgeLeftBottom" style="background-image:url('.$layout_name.'/images/content/box-frame-edge.gif);" /></span><span class="CaptionEdgeRightBottom" style="background-image:url('.$layout_name.'/images/content/box-frame-edge.gif);" /></span></div>    </div><tr>      <td>        <div class="InnerTableContainer" >          <table style="width:100%;" ><tr><td><div class="TableShadowContainerRightTop" >  <div class="TableShadowRightTop" style="background-image:url('.$layout_name.'/images/content/table-shadow-rt.gif);" ></div></div><div class="TableContentAndRightShadow" style="background-image:url('.$layout_name.'/images/content/table-shadow-rm.gif);" ><div class="TableContentContainer" >    <table class="TableContent" width="100%" ><tr style="background-color:'.$config['site']['darkborder'].';" ><td class="LabelV" >Email Address:</td><td style="width:90%;" >'.htmlspecialchars($account_email).''.$account_email_change.'</td></tr><tr style="background-color:'.$config['site']['lightborder'].';" ><td class="LabelV" >Created:</td><td>'.date("j F Y, G:i:s", $account_created).'</td></td><tr style="background-color:'.$config['site']['darkborder'].';" ><td class="LabelV" >Last Login:</td><td>'.date("j F Y, G:i:s", time()).'</td></tr><tr style="background-color:'.$config['site']['lightborder'].';" ><td class="LabelV" >Account Status:</td><td>'.$account_status.'</td></tr><tr style="background-color:'.$config['site']['darkborder'].';" ><td class="LabelV" >Registred:</td><td>'.$account_registred.'</td></tr></table></div></div><div class="TableShadowContainer" ><div class="TableBottomShadow" style="background-image:url('.$layout_name.'/images/content/table-shadow-bm.gif);" ><div class="TableBottomLeftShadow" style="background-image:url('.$layout_name.'/images/content/table-shadow-bl.gif);" ></div><div class="TableBottomRightShadow" style="background-image:url('.$layout_name.'/images/content/table-shadow-br.gif);" ></div>  </div></div></td></tr><tr><td><table class="InnerTableButtonRow" cellpadding="0" cellspacing="0" ><tr><td><table border="0" cellspacing="0" cellpadding="0" ><form action="?subtopic=accountmanagement&action=changepassword" method="post" ><tr><td style="border:0px;" ><div class="BigButton" style="background-image:url('.$layout_name.'/images/buttons/sbutton.gif)" ><div onMouseOver="MouseOverBigButton(this);" onMouseOut="MouseOutBigButton(this);" ><div class="BigButtonOver" style="background-image:url('.$layout_name.'/images/buttons/sbutton_over.gif);" ></div><input class="ButtonText" type="image" name="Change Password" alt="Change Password" src="'.$layout_name.'/images/buttons/_sbutton_changepassword.gif" ></div></div></td></tr></form></table></td><td><table border="0" cellspacing="0" cellpadding="0" ><form action="?subtopic=accountmanagement&action=changeemail" method="post" ><tr><td style="border:0px;" ><input type="hidden" name=newemail value="" ><input type="hidden" name=newemaildate value=0 ><div class="BigButton" style="background-image:url('.$layout_name.'/images/buttons/sbutton.gif)" ><div onMouseOver="MouseOverBigButton(this);" onMouseOut="MouseOutBigButton(this);" ><div class="BigButtonOver" style="background-image:url('.$layout_name.'/images/buttons/sbutton_over.gif);" ></div><input class="ButtonText" type="image" name="Change Email" alt="Change Email" src="'.$layout_name.'/images/buttons/_sbutton_changeemail.gif" ></div></div></td></tr></form> </table></td><td width="100%"></td>';

Se alguem Puder Ajudar

Se eu Encontrar Algum erro a mais eu adiciono no tópico! Vlw por ler o tópico de tenha um Bom Dias!