diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index d0caecabc7..e4ec2088f0 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -330,7 +330,7 @@ function wp_default_packages_inline_scripts( $scripts ) {
 	$timezone_abbr   = '';
 
 	if ( ! empty( $timezone_string ) ) {
-		$timezone_date = new DateTime( null, new DateTimeZone( $timezone_string ) );
+		$timezone_date = new DateTime( 'now', new DateTimeZone( $timezone_string ) );
 		$timezone_abbr = $timezone_date->format( 'T' );
 	}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index aa9217cc06..dd3b0d12d5 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.9-alpha-51532';
+$wp_version = '5.9-alpha-51533';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.