timezoneAbbreviatedName

app/Http/Middleware/SetTimezoneMiddleware.php

@@ -17,14 +17,20 @@ class SetTimezoneMiddleware
      */
     public function handle(Request $request, Closure $next)
     {
-        if (
+        if ($request->user()
-            !collect($request->segments())->contains('nova')
-            && $request->user()
             && $timezone = $request->user()->timezone
         ) {
-            config(['app.timezone' => $timezone]);
+            config([
+                'app.timezone' => $timezone,
+                'app.user-timezone' => $timezone,
+            ]);
+
+            return $next($request);
         }
-        config(['app.timezone' => 'Europe/Berlin']);
+        config([
+            'app.timezone' => 'Europe/Berlin',
+            'app.user-timezone' => 'Europe/Berlin',
+        ]);
 
         return $next($request);
     }

app/Providers/NovaServiceProvider.php

@@ -39,6 +39,10 @@ class NovaServiceProvider extends NovaApplicationServiceProvider
      */
     public function boot()
     {
+        config([
+            'app.user-timezone' => 'Europe/Berlin',
+        ]);
+
         parent::boot();
 
         Nova::mainMenu(function (Request $request) {
@@ -154,6 +158,7 @@ class NovaServiceProvider extends NovaApplicationServiceProvider
         });
 
         Nova::userTimezone(function (Request $request) {
+
             return $request->user()->timezone;
         });
     }

app/Support/Carbon.php

@@ -8,19 +8,19 @@ class Carbon extends CarbonImmutable
 {
     public function asDate(): string
     {
-        $dt = $this->timezone(config('app.timezone'))->locale('de');
+        $dt = $this->timezone(config('app.user-timezone'))->locale('de');
         return str($dt->day)->padLeft(2, '0').'. '.$dt->monthName.' '.$dt->year;
     }
 
     public function asTime(): string
     {
-        return $this->timezone(config('app.timezone'))->locale('de')
+        return $this->timezone(config('app.user-timezone'))->locale('de')
                     ->format('H:i');
     }
 
     public function asDateTime(): string
     {
-        $dt = $this->timezone(config('app.timezone'))->locale('de');
+        $dt = $this->timezone(config('app.user-timezone'))->locale('de');
         return sprintf("%s.%s.%s %s (%s)",
             str($dt->day)->padLeft(2, '0'),
             str($dt->month)->padLeft(2, '0'),

config/app.php

@@ -73,6 +73,8 @@ return [
 
     'timezone' => 'UTC',
 
+    'user-timezone' => 'UTC',
+
     /*
     |--------------------------------------------------------------------------
     | Application Locale Configuration