Za datę i godzinę odpowiada to:
<span class="smalltext"><strong>{$post['icon']}{$post['postdate']} - {$post['posttime']} - {$post['subject']} {$post['subject_extra']}</strong></span>
Mamy bardzo podobny postbit classic, nie wiem czemu u Ciebie nie działa.
Mój postbit classic porównaj sobie:
{$ignore_bit}
<table border="0" cellspacing="{$theme['borderwidth']}" cellpadding="{$theme['tablespace']}" class="tborder" style="{$post_extra_style} {$post_visibility}" id="post_{$post['pid']}">
<tr>
<td class="{$altbg}" width="15%" valign="top" style="white-space: nowrap; text-align: center;"><a name="pid{$post['pid']}" id="pid{$post['pid']}"></a>
<strong><span class="largetext">{$post['profilelink']} </span></strong><br /> {$post['onlinestatus']}<br />
<span class="smalltext">
<strong>{$post['usertitle']}</strong><br />
{$post['userstars']}
{$post['groupimage']}<br />
{$post['useravatar']}<br /><br />
<div class="user_details">{$post['user_details']}</div>
</span>
</td>
<td class="postcolor_{$post['usergroup']}" valign="top">
<table width="100%">
<tr><td>{$post['posturl']}<span class="smalltext"><strong>{$post['icon']}{$post['postdate']} - {$post['posttime']} - {$post['subject']} {$post['subject_extra']}</strong></span>
<br />
<div id="pid_{$post['pid']}" class="post_body">
{$post['message']}
</div>
{$post['attachments']}
{$post['signature']}
<div style="text-align: right; vertical-align: bottom;" id="post_meta_{$post['pid']}">
<div id="edited_by_{$post['pid']}">{$post['editedmsg']}{$post['edithistory']}</div>
{$post['iplogged']}
</div>
</td></tr>
</table>
</td>
</tr>
<tr>
<td class="{$altbg}" style="white-space: nowrap; text-align: center; vertical-align: middle;"><span class="smalltext">{$post['postdate']} {$post['posttime']}</span></td>
<td class="{$altbg}" style="vertical-align: middle;">
<table width="100%" border="0" cellpadding="0" cellspacing="0">
<tr valign="bottom">
<td align="left" ><span class="smalltext">{$post['button_email']}{$post['button_pm']}{$post['button_www']}{$post['button_find']}{$post['button_rep']}</span></td>
<td align="right">{$post['button_tyl']}{$post['button_edit']}{$post['button_quickdelete']}{$post['button_quote']}{$post['button_multiquote']}{$post['button_report']}{$post['returntotop']}{$post['button_warn']}{$post['button_ban']}{$post['button_reply_pm']}{$post['button_replyall_pm']}{$post['button_forward_pm']}{$post['button_delete_pm']}</td>
</tr>
</table>
</td>
</tr>
<tr style="{$post['tyl_display']}" id="tyl_{$post['pid']}">
{$post['thankyoulike_data']}
</tr>
</table>