Index: wp-includes/functions.php
===================================================================
--- wp-includes/functions.php	(revision 15270)
+++ wp-includes/functions.php	(working copy)
@@ -1321,8 +1321,8 @@
  * @return int 1 when new day, 0 if not a new day.
  */
 function is_new_day() {
-	global $day, $previousday;
-	if ( $day != $previousday )
+	global $currentday, $previousday;
+	if ( $currentday != $previousday )
 		return 1;
 	else
 		return 0;
Index: wp-includes/query.php
===================================================================
--- wp-includes/query.php	(revision 15270)
+++ wp-includes/query.php	(working copy)
@@ -2844,13 +2844,13 @@
  * @return bool True when finished.
  */
 function setup_postdata($post) {
-	global $id, $authordata, $day, $currentmonth, $page, $pages, $multipage, $more, $numpages;
+	global $id, $authordata, $currentday, $currentmonth, $page, $pages, $multipage, $more, $numpages;
 
 	$id = (int) $post->ID;
 
 	$authordata = get_userdata($post->post_author);
 
-	$day = mysql2date('d.m.y', $post->post_date, false);
+	$currentday = mysql2date('d.m.y', $post->post_date, false);
 	$currentmonth = mysql2date('m', $post->post_date, false);
 	$numpages = 1;
 	$page = get_query_var('page');
Index: wp-includes/general-template.php
===================================================================
--- wp-includes/general-template.php	(revision 15270)
+++ wp-includes/general-template.php	(working copy)
@@ -1334,13 +1334,13 @@
  * @return string|null Null if displaying, string if retrieving.
  */
 function the_date( $d = '', $before = '', $after = '', $echo = true ) {
-	global $day, $previousday;
+	global $currentday, $previousday;
 	$the_date = '';
-	if ( $day != $previousday ) {
+	if ( $currentday != $previousday ) {
 		$the_date .= $before;
 		$the_date .= get_the_date( $d );
 		$the_date .= $after;
-		$previousday = $day;
+		$previousday = $currentday;
 
 		$the_date = apply_filters('the_date', $the_date, $d, $before, $after);
 
@@ -1546,11 +1546,11 @@
 function the_weekday_date($before='',$after='') {
 	global $wp_locale, $post, $day, $previousweekday;
 	$the_weekday_date = '';
-	if ( $day != $previousweekday ) {
+	if ( $currentday != $previousweekday ) {
 		$the_weekday_date .= $before;
 		$the_weekday_date .= $wp_locale->get_weekday(mysql2date('w', $post->post_date, false));
 		$the_weekday_date .= $after;
-		$previousweekday = $day;
+		$previousweekday = $currentday;
 	}
 	$the_weekday_date = apply_filters('the_weekday_date', $the_weekday_date, $before, $after);
 	echo $the_weekday_date;