From b2ad71de59709f5904cca7670ba19c4c62ffde90 Mon Sep 17 00:00:00 2001
From: Thomas Hansen <thomas@thomasphansen.dk>
Date: Thu, 1 Jul 2021 16:26:46 +0200
Subject: [PATCH] JsonFormatter::normalize() : respect date format from
 Formatter

---
 src/Monolog/Formatter/JsonFormatter.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Monolog/Formatter/JsonFormatter.php b/src/Monolog/Formatter/JsonFormatter.php
index 16421e22..611cf949 100644
--- a/src/Monolog/Formatter/JsonFormatter.php
+++ b/src/Monolog/Formatter/JsonFormatter.php
@@ -173,6 +173,10 @@ class JsonFormatter extends NormalizerFormatter
             return $normalized;
         }
 
+        if ($data instanceof \DateTimeInterface) {
+            return $this->formatDate($data);
+        }
+
         if ($data instanceof Throwable) {
             return $this->normalizeException($data, $depth);
         }