From da8c06ba3a3ce3f974b8c0b87a976e199cee3825 Mon Sep 17 00:00:00 2001
From: Mark Nelson <mdjnelson@gmail.com>
Date: Tue, 31 Dec 2024 17:03:07 +0000
Subject: [PATCH] Ensure we have a leading zero for days (#638)

---
 classes/element_helper.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/classes/element_helper.php b/classes/element_helper.php
index e8920471..125b1eb0 100644
--- a/classes/element_helper.php
+++ b/classes/element_helper.php
@@ -762,7 +762,7 @@ public static function get_date_format_string(int $date, string $dateformat): st
                     break;
                 case 5:
                     // ISO 8601 date format (YYYY-MM-DD).
-                    $certificatedate = userdate($date, '%Y-%m-%d');
+                    $certificatedate = userdate($date, '%Y-%m-%d', 99, false, false);
                     break;
                 default:
                     $certificatedate = userdate($date, get_string('strftimedate', 'langconfig'));