diff --git a/config/locales.php b/config/locales.php
index dc7fc5e5..838dd580 100644
--- a/config/locales.php
+++ b/config/locales.php
@@ -199,7 +199,7 @@
   ],
   'en_CH' => 
   [
-    'date' => 'dd/MM/y',
+    'date' => 'dd.MM.y',
     'time' => 'HH:mm',
     'rtl' => false,
   ],
@@ -457,7 +457,7 @@
   ],
   'en_MV' => 
   [
-    'date' => 'M/d/yy',
+    'date' => 'd-M-yy',
     'time' => 'HH:mm',
     'rtl' => false,
   ],
@@ -1316,19 +1316,19 @@
   'ko' => 
   [
     'date' => 'yy. M. d.',
-    'time' => 'a h:mm',
+    'time' => 'h:mm a',
     'rtl' => false,
   ],
   'ko_KP' => 
   [
     'date' => 'yy. M. d.',
-    'time' => 'a h:mm',
+    'time' => 'h:mm a',
     'rtl' => false,
   ],
   'ko_KR' => 
   [
     'date' => 'yy. M. d.',
-    'time' => 'a h:mm',
+    'time' => 'h:mm a',
     'rtl' => false,
   ],
   'nb_NO' => 
@@ -1589,6 +1589,12 @@
     'time' => 'HH:mm',
     'rtl' => false,
   ],
+  'uk' => 
+  [
+    'date' => 'dd.MM.yy',
+    'time' => 'HH:mm',
+    'rtl' => false,
+  ],
   'vi' => 
   [
     'date' => 'dd/MM/y',
@@ -1607,4 +1613,10 @@
     'time' => 'HH:mm',
     'rtl' => false,
   ],
+  'zh_Hant' => 
+  [
+    'date' => 'y/M/d',
+    'time' => 'Bh:mm',
+    'rtl' => false,
+  ],
 ];
\ No newline at end of file
diff --git a/src/Command/RegenerateLocalesCommand.php b/src/Command/RegenerateLocalesCommand.php
index 1ed22f4e..783b6677 100644
--- a/src/Command/RegenerateLocalesCommand.php
+++ b/src/Command/RegenerateLocalesCommand.php
@@ -101,6 +101,14 @@ final class RegenerateLocalesCommand extends Command
             $settings['date'] = $shortDate->getPattern();
             $settings['time'] = $shortTime->getPattern();
 
+            // see https://github.com/kimai/kimai/issues/4402 - Korean time format failed parsing
+            // special case when time pattern starts with A / a => this will lead to an error
+            // \DateTimeImmutable::getLastErrors() => Meridian can only come after an hour has been found
+            if (str_contains($settings['time'], 'a ')) {
+                $settings['time'] = str_replace('a ', '', $settings['time']) . ' a';
+            }
+            $settings['time'] = str_replace("\u{202f}", ' ', $settings['time']);
+
             // make sure that sub-locales of a RTL language are also flagged as RTL
             $rtlLocale = $locale;
             if (substr_count($rtlLocale, '_') === 1) {