diff --git a/src/Command/KimaiImporterCommand.php b/src/Command/KimaiImporterCommand.php
index 227dac73..86efc010 100644
--- a/src/Command/KimaiImporterCommand.php
+++ b/src/Command/KimaiImporterCommand.php
@@ -1042,7 +1042,7 @@ class KimaiImporterCommand extends Command
             }
 
             $user = $this->users[$oldRecord['userID']];
-            $timezone = $user->getPreferenceValue('timezone', date_default_timezone_get());
+            $timezone = $user->getTimezone();
             $dateTimezone = new \DateTimeZone('UTC');
 
             $begin = new \DateTime('@' . $oldRecord['start']);
diff --git a/src/Entity/User.php b/src/Entity/User.php
index 60d644bd..b9f77887 100644
--- a/src/Entity/User.php
+++ b/src/Entity/User.php
@@ -256,14 +256,16 @@ class User extends BaseUser implements UserInterface
         return null;
     }
 
-    /**
-     * @return string
-     */
     public function getLocale(): string
     {
         return $this->getPreferenceValue(UserPreference::LOCALE, User::DEFAULT_LANGUAGE);
     }
 
+    public function getTimezone(): string
+    {
+        return $this->getPreferenceValue(UserPreference::TIMEZONE, date_default_timezone_get());
+    }
+
     /**
      * @param string $name
      * @param mixed $default
diff --git a/src/EventSubscriber/TimezoneSubscriber.php b/src/EventSubscriber/TimezoneSubscriber.php
index ce724bdb..2e6395bc 100644
--- a/src/EventSubscriber/TimezoneSubscriber.php
+++ b/src/EventSubscriber/TimezoneSubscriber.php
@@ -35,29 +35,19 @@ class TimezoneSubscriber implements EventSubscriberInterface
     }
 
     public function setTimezone(RequestEvent $event)
-    {
-        if (!$this->canHandleEvent()) {
-            return;
-        }
-
-        /** @var User $user */
-        $user = $this->storage->getToken()->getUser();
-        $timezone = $user->getPreferenceValue('timezone', date_default_timezone_get());
-        date_default_timezone_set($timezone);
-    }
-
-    protected function canHandleEvent(): bool
     {
         if (null === $this->storage->getToken()) {
-            return false;
+            return;
         }
 
         $user = $this->storage->getToken()->getUser();
 
         if (null === $user) {
-            return false;
+            return;
         }
 
-        return ($user instanceof User);
+        if ($user instanceof User) {
+            date_default_timezone_set($user->getTimezone());
+        }
     }
 }
diff --git a/src/Repository/WidgetRepository.php b/src/Repository/WidgetRepository.php
index 2adef2e6..614450cb 100644
--- a/src/Repository/WidgetRepository.php
+++ b/src/Repository/WidgetRepository.php
@@ -90,8 +90,9 @@ class WidgetRepository
     protected function create(string $name, array $widget): WidgetInterface
     {
         $user = $this->user;
-        $begin = !empty($widget['begin']) ? new \DateTime($widget['begin']) : null;
-        $end = !empty($widget['end']) ? new \DateTime($widget['end']) : null;
+        $timezone = new \DateTimeZone($user->getTimezone());
+        $begin = !empty($widget['begin']) ? new \DateTime($widget['begin'], $timezone) : null;
+        $end = !empty($widget['end']) ? new \DateTime($widget['end'], $timezone) : null;
         $theUser = $widget['user'] ? $user : null;
 
         if (!isset($widget['type'])) {
diff --git a/src/Timesheet/UserDateTimeFactory.php b/src/Timesheet/UserDateTimeFactory.php
index f0c8ab05..f7383731 100644
--- a/src/Timesheet/UserDateTimeFactory.php
+++ b/src/Timesheet/UserDateTimeFactory.php
@@ -24,8 +24,8 @@ class UserDateTimeFactory
         $timezone = date_default_timezone_get();
 
         $user = $user->getUser();
-        if ($user instanceof User && null !== $user->getPreferenceValue('timezone')) {
-            $timezone = $user->getPreferenceValue('timezone');
+        if ($user instanceof User) {
+            $timezone = $user->getTimezone();
         }
 
         $this->timezone = new \DateTimeZone($timezone);