diff --git a/modules/oe_theme_content_event/config/install/core.date_format.oe_event_programme_date_with_hour_with_timezone.yml b/modules/oe_theme_content_event/config/install/core.date_format.oe_event_programme_date_hour_timezone.yml
similarity index 72%
rename from modules/oe_theme_content_event/config/install/core.date_format.oe_event_programme_date_with_hour_with_timezone.yml
rename to modules/oe_theme_content_event/config/install/core.date_format.oe_event_programme_date_hour_timezone.yml
index 864efce35..0f924baf1 100644
--- a/modules/oe_theme_content_event/config/install/core.date_format.oe_event_programme_date_with_hour_with_timezone.yml
+++ b/modules/oe_theme_content_event/config/install/core.date_format.oe_event_programme_date_hour_timezone.yml
@@ -1,7 +1,7 @@
 langcode: en
 status: true
 dependencies: {  }
-id: oe_event_programme_date_with_hour_with_timezone
+id: oe_event_programme_date_hour_timezone
 label: 'Event programme date with hour with timezone'
 locked: false
 pattern: 'j M Y, h:i A T'
diff --git a/modules/oe_theme_content_event/config/post_updates/30002_event_programme_date_format/core.date_format.oe_event_programme_hour_timezone.yml b/modules/oe_theme_content_event/config/post_updates/30002_event_programme_date_format/core.date_format.oe_event_programme_hour_timezone.yml
new file mode 100644
index 000000000..3e7247c1d
--- /dev/null
+++ b/modules/oe_theme_content_event/config/post_updates/30002_event_programme_date_format/core.date_format.oe_event_programme_hour_timezone.yml
@@ -0,0 +1,7 @@
+langcode: en
+status: true
+dependencies: {  }
+id: oe_event_programme_hour_timezone
+label: 'Event programme hour with timezone'
+locked: false
+pattern: 'h:i A T'
diff --git a/modules/oe_theme_content_event/oe_theme_content_event.post_update.php b/modules/oe_theme_content_event/oe_theme_content_event.post_update.php
index bb6140485..99952f385 100644
--- a/modules/oe_theme_content_event/oe_theme_content_event.post_update.php
+++ b/modules/oe_theme_content_event/oe_theme_content_event.post_update.php
@@ -123,3 +123,19 @@ function oe_theme_content_event_post_update_30001() {
     $date_format->save();
   }
 }
+
+/**
+ * Update Event programme date formats.
+ */
+function oe_theme_content_event_post_update_30002(): void {
+  // Remove "Event programme date with timezone" as it's not used anymore.
+  $date_timezone = DateFormat::load('oe_event_programme_date_timezone');
+  $date_timezone->delete();
+
+  // Create new time format with timezone.
+  $storage = new FileStorage(drupal_get_path('module', 'oe_theme_content_event') . '/config/post_updates/30002_event_programme_date_format');
+  $config = $storage->read('core.date_format.oe_event_programme_hour_timezone');
+  $config['_core']['default_config_hash'] = Crypt::hashBase64(serialize($config));
+  $date_format = DateFormat::create($config);
+  $date_format->save();
+}
diff --git a/modules/oe_theme_content_event/src/Plugin/ExtraField/Display/ProgrammeExtraField.php b/modules/oe_theme_content_event/src/Plugin/ExtraField/Display/ProgrammeExtraField.php
index 9ce4b7394..e9aaf4478 100755
--- a/modules/oe_theme_content_event/src/Plugin/ExtraField/Display/ProgrammeExtraField.php
+++ b/modules/oe_theme_content_event/src/Plugin/ExtraField/Display/ProgrammeExtraField.php
@@ -37,7 +37,7 @@ class ProgrammeExtraField extends EventExtraFieldBase {
   /**
    * Programme datetime with timezone format.
    */
-  const PROGRAMME_DATETIME_TIMEZONE_FORMAT = 'oe_event_programme_date_with_hour_with_timezone';
+  const PROGRAMME_DATETIME_TIMEZONE_FORMAT = 'oe_event_programme_date_hour_timezone';
 
   /**
    * Programme date format.