diff --git a/wp-includes/date.php b/wp-includes/date.php
index e00452d7d1..0fbf0423e0 100644
--- a/wp-includes/date.php
+++ b/wp-includes/date.php
@@ -48,6 +48,9 @@ class WP_Date_Query {
 	/**
 	 * Constructor.
 	 *
+	 * @since 3.7.0
+	 * @since 4.0.0 The $inclusive logic was updated to include all times within the date range.
+	 *
 	 * @param array $date_query {
 	 *     One or more associative arrays of date query parameters.
 	 *
@@ -235,19 +238,23 @@ class WP_Date_Query {
 
 		$compare = $this->get_compare( $query );
 
+		$inclusive = ! empty( $query['inclusive'] );
+
+		// Assign greater- and less-than values.
 		$lt = '<';
 		$gt = '>';
-		if ( ! empty( $query['inclusive'] ) ) {
+
+		if ( $inclusive ) {
 			$lt .= '=';
 			$gt .= '=';
 		}
 
 		// Range queries
 		if ( ! empty( $query['after'] ) )
-			$where_parts[] = $wpdb->prepare( "$column $gt %s", $this->build_mysql_datetime( $query['after'], true ) );
+			$where_parts[] = $wpdb->prepare( "$column $gt %s", $this->build_mysql_datetime( $query['after'], ! $inclusive ) );
 
 		if ( ! empty( $query['before'] ) )
-			$where_parts[] = $wpdb->prepare( "$column $lt %s", $this->build_mysql_datetime( $query['before'], false ) );
+			$where_parts[] = $wpdb->prepare( "$column $lt %s", $this->build_mysql_datetime( $query['before'], $inclusive ) );
 
 		// Specific value queries
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 77e3043266..552cac8cd2 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.0-alpha-20140630';
+$wp_version = '4.0-alpha-20140701';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.