diff --git a/wp-admin/edit-attachment-rows.php b/wp-admin/edit-attachment-rows.php
index e418f5e3b8..cd0c9ab458 100644
--- a/wp-admin/edit-attachment-rows.php
+++ b/wp-admin/edit-attachment-rows.php
@@ -65,7 +65,7 @@ foreach($posts_columns as $column_name=>$column_display_name) {
 		} else {
 			$t_time = get_the_time(__('Y/m/d g:i:s A'));
 			$m_time = $post->post_date;
-			$time = get_post_time();
+			$time = get_post_time( 'G', true );
 			if ( ( abs($t_diff = time() - $time) ) < 86400 ) {
 				if ( $t_diff < 0 )
 					$h_time = sprintf( __('%s from now'), human_time_diff( $time ) );
diff --git a/wp-admin/edit-post-rows.php b/wp-admin/edit-post-rows.php
index 3de1ff66f6..20c4d636c9 100644
--- a/wp-admin/edit-post-rows.php
+++ b/wp-admin/edit-post-rows.php
@@ -44,11 +44,11 @@ foreach($posts_columns as $column_name=>$column_display_name) {
 			if ( 'modified' == $column_name ) {
 				$t_time = get_the_modified_time(__('Y/m/d g:i:s A'));
 				$m_time = $post->post_modified;
-				$time = get_post_modified_time();
+				$time = get_post_modified_time('G', true);
 			} else {
 				$t_time = get_the_time(__('Y/m/d g:i:s A'));
 				$m_time = $post->post_date;
-				$time = get_post_time();
+				$time = get_post_time('G', true);
 			}
 			if ( ( abs(time() - $time) ) < 86400 ) {
 				if ( ( 'future' == $post->post_status) )
diff --git a/wp-admin/includes/template.php b/wp-admin/includes/template.php
index e00ca0f867..955b36a2d5 100644
--- a/wp-admin/includes/template.php
+++ b/wp-admin/includes/template.php
@@ -379,11 +379,11 @@ foreach ($posts_columns as $column_name=>$column_display_name) {
 			if ( 'modified' == $column_name ) {
 				$t_time = get_the_modified_time(__('Y/m/d g:i:s A'));
 				$m_time = $page->post_modified;
-				$time = get_post_modified_time();
+				$time = get_post_modified_time('G', true);
 			} else {
 				$t_time = get_the_time(__('Y/m/d g:i:s A'));
 				$m_time = $page->post_date;
-				$time = get_post_time();
+				$time = get_post_time('G', true);
 			}
 			if ( ( abs(time() - $time) ) < 86400 ) {
 				if ( ( 'future' == $page->post_status) )
diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index 7987d297ef..1e278b0060 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -5,6 +5,14 @@ function mysql2date( $dateformatstring, $mysqlstring, $translate = true ) {
 	$m = $mysqlstring;
 	if ( empty( $m ) )
 		return false;
+		
+	if( 'G' == $dateformatstring ) {
+		return gmmktime(
+			(int) substr( $m, 11, 2 ), (int) substr( $m, 14, 2 ), (int) substr( $m, 17, 2 ),
+			(int) substr( $m, 5, 2 ), (int) substr( $m, 8, 2 ), (int) substr( $m, 0, 4 )
+		);
+	}
+	
 	$i = mktime(
 		(int) substr( $m, 11, 2 ), (int) substr( $m, 14, 2 ), (int) substr( $m, 17, 2 ),
 		(int) substr( $m, 5, 2 ), (int) substr( $m, 8, 2 ), (int) substr( $m, 0, 4 )