diff --git a/CHANGES.md b/CHANGES.md
index 5103e39a11..a6fa76fff7 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,6 +1,7 @@
 # Version 1.2.1
 ## Bugs
 - Fix a few null safety warnings [#4654](https://github.com/appwrite/appwrite/pull/4654)
+- Fix timestamp format in Realtime response [#4515](https://github.com/appwrite/appwrite/pull/4515)
 
 # Version 1.2.0
 ## Features
diff --git a/app/realtime.php b/app/realtime.php
index ac4e2d669a..c957a64c4c 100644
--- a/app/realtime.php
+++ b/app/realtime.php
@@ -237,7 +237,7 @@ $server->onWorkerStart(function (int $workerId) use ($server, $register, $stats,
                     'data' => [
                         'events' => ['stats.connections'],
                         'channels' => ['project'],
-                        'timestamp' => DateTime::now(),
+                        'timestamp' => DateTime::formatTz(DateTime::now()),
                         'payload' => [
                             $projectId => $payload[$projectId]
                         ]
@@ -264,7 +264,7 @@ $server->onWorkerStart(function (int $workerId) use ($server, $register, $stats,
                 'data' => [
                     'events' => ['test.event'],
                     'channels' => ['tests'],
-                    'timestamp' => DateTime::now(),
+                    'timestamp' => DateTime::formatTz(DateTime::now()),
                     'payload' => $payload
                 ]
             ];
diff --git a/src/Appwrite/Messaging/Adapter/Realtime.php b/src/Appwrite/Messaging/Adapter/Realtime.php
index dddbc59e7f..e37d9ace77 100644
--- a/src/Appwrite/Messaging/Adapter/Realtime.php
+++ b/src/Appwrite/Messaging/Adapter/Realtime.php
@@ -149,7 +149,7 @@ class Realtime extends Adapter
             'data' => [
                 'events' => $events,
                 'channels' => $channels,
-                'timestamp' => DateTime::now(),
+                'timestamp' => DateTime::formatTz(DateTime::now()),
                 'payload' => $payload
             ]
         ]));