Index: meta-boxes.php
===================================================================
--- meta-boxes.php	(revision 26758)
+++ meta-boxes.php	(working copy)
@@ -151,8 +151,7 @@
 </div><!-- .misc-pub-section -->
 
 <?php
-// translators: Publish box date format, see http://php.net/date
-$datef = __( 'M j, Y @ G:i' );
+$datef = sprintf('%s %s', get_option('date_format'), get_option('time_format') );
 if ( 0 != $post->ID ) {
 	if ( 'future' == $post->post_status ) { // scheduled for publishing at a future date
 		$stamp = __('Scheduled for: <b>%1$s</b>');
@@ -273,8 +272,7 @@
 
 <div id="misc-publishing-actions">
 	<?php
-	// translators: Publish box date format, see http://php.net/date
-	$datef = __( 'M j, Y @ G:i' );
+	$datef = sprintf('%s %s', get_option('date_format'), get_option('time_format') );
 	$stamp = __('Uploaded on: <b>%1$s</b>');
 	$date = date_i18n( $datef, strtotime( $post->post_date ) );
 	?>