diff --git a/source/connector-mobilizon.php b/source/connector-mobilizon.php
index 7c853e1..2a62b8e 100644
--- a/source/connector-mobilizon.php
+++ b/source/connector-mobilizon.php
@@ -17,8 +17,7 @@ require_once __DIR__ . '/includes/Api.php';
 require_once __DIR__ . '/includes/EventsCache.php';
 require_once __DIR__ . '/includes/Settings.php';
 require_once __DIR__ . '/includes/SiteSettings.php';
-require_once __DIR__ . '/includes/LocalDateTime.php';
-require_once __DIR__ . '/includes/LocalDateTimeFormatter.php';
+require_once __DIR__ . '/includes/DateTimeFormatter.php';
 require_once __DIR__ . '/includes/LineFormatter.php';
 require_once __DIR__ . '/includes/GraphQlClient.php';
 require_once __DIR__ . '/includes/EventsListBlock.php';
diff --git a/source/includes/DateTimeFormatter.php b/source/includes/DateTimeFormatter.php
new file mode 100644
index 0000000..88a55de
--- /dev/null
+++ b/source/includes/DateTimeFormatter.php
@@ -0,0 +1,10 @@
+<?php
+namespace MobilizonConnector;
+
+final class DateTimeFormatter
+{
+  public static function format(\DateTimeImmutable $dateTime, string $format) {
+    $timestamp = $dateTime->getTimestamp();
+    return date_i18n($format, $timestamp);
+  }
+}
diff --git a/source/includes/EventsListBlock.php b/source/includes/EventsListBlock.php
index f91084c..c0fa566 100644
--- a/source/includes/EventsListBlock.php
+++ b/source/includes/EventsListBlock.php
@@ -53,7 +53,6 @@ class EventsListBlock {
 
       $dateFormat = SiteSettings::getDateFormat();
       $timeFormat = SiteSettings::getTimeFormat();
-      $timeZone = SiteSettings::getTimeZone();
 
       require dirname(__DIR__) . '/view/events-list.php';
     } catch (GeneralException $e) {
diff --git a/source/includes/EventsListShortcut.php b/source/includes/EventsListShortcut.php
index 9a26a77..082b164 100644
--- a/source/includes/EventsListShortcut.php
+++ b/source/includes/EventsListShortcut.php
@@ -36,7 +36,6 @@ class EventsListShortcut {
 
       $dateFormat = SiteSettings::getDateFormat();
       $timeFormat = SiteSettings::getTimeFormat();
-      $timeZone = SiteSettings::getTimeZone();
 
       require dirname(__DIR__) . '/view/events-list.php';
     } catch (GeneralException $e) {
diff --git a/source/includes/EventsListWidget.php b/source/includes/EventsListWidget.php
index e4fbd88..f038702 100644
--- a/source/includes/EventsListWidget.php
+++ b/source/includes/EventsListWidget.php
@@ -36,7 +36,6 @@ class EventsListWidget extends \WP_Widget {
 
       $dateFormat = SiteSettings::getDateFormat();
       $timeFormat = SiteSettings::getTimeFormat();
-      $timeZone = SiteSettings::getTimeZone();
   
       require dirname(__DIR__) . '/view/events-list.php';
     } catch (GeneralException $e) {
diff --git a/source/includes/LineFormatter.php b/source/includes/LineFormatter.php
index 897ad25..42a6c7b 100644
--- a/source/includes/LineFormatter.php
+++ b/source/includes/LineFormatter.php
@@ -3,16 +3,16 @@ namespace MobilizonConnector;
 
 final class LineFormatter
 {
-  public static function format_date_time(\DateTimeZone $timeZone, string $dateFormat, string $timeFormat, string $start, ?string $end): string {
-    $startDateTime = new LocalDateTime($start, $timeZone);
-    $startDate = LocalDateTimeFormatter::format($startDateTime, $dateFormat);
-    $startTime = LocalDateTimeFormatter::format($startDateTime, $timeFormat);
+  public static function format_date_time(string $dateFormat, string $timeFormat, string $start, ?string $end): string {
+    $startDateTime = new \DateTimeImmutable($start);
+    $startDate = DateTimeFormatter::format($startDateTime, $dateFormat);
+    $startTime = DateTimeFormatter::format($startDateTime, $timeFormat);
 
     $dateText = $startDate . ' ' . $startTime;
     if ($end) {
-      $endDateTime = new LocalDateTime($end, $timeZone);
-      $endDate = LocalDateTimeFormatter::format($endDateTime, $dateFormat);
-      $endTime = LocalDateTimeFormatter::format($endDateTime, $timeFormat);
+      $endDateTime = new \DateTimeImmutable($end);
+      $endDate = DateTimeFormatter::format($endDateTime, $dateFormat);
+      $endTime = DateTimeFormatter::format($endDateTime, $timeFormat);
 
       if ($startDate != $endDate) {
         $dateText .= ' - ';
diff --git a/source/includes/LocalDateTime.php b/source/includes/LocalDateTime.php
deleted file mode 100644
index b8c3264..0000000
--- a/source/includes/LocalDateTime.php
+++ /dev/null
@@ -1,15 +0,0 @@
-<?php
-namespace MobilizonConnector;
-
-final class LocalDateTime {
-  private $dateTime;
-
-  public function __construct(string $text, \DateTimeZone $timeZone) {
-    $date = new \DateTimeImmutable($text);
-    $this->dateTime = $date->setTimezone($timeZone);
-  }
-
-  public function getValue() {
-    return $this->dateTime;
-  }
-}
diff --git a/source/includes/LocalDateTimeFormatter.php b/source/includes/LocalDateTimeFormatter.php
deleted file mode 100644
index 78e8ae1..0000000
--- a/source/includes/LocalDateTimeFormatter.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-namespace MobilizonConnector;
-
-final class LocalDateTimeFormatter
-{
-  public static function format(LocalDateTime $dateTime, string $format) {
-    $timestamp = $dateTime->getValue()->getTimestamp();
-    return date_i18n($format, $timestamp);
-  }
-}
diff --git a/source/includes/SiteSettings.php b/source/includes/SiteSettings.php
index 1b91059..8b779f2 100644
--- a/source/includes/SiteSettings.php
+++ b/source/includes/SiteSettings.php
@@ -14,8 +14,4 @@ class SiteSettings {
     return get_option(self::$OPTION_NAME_TIME_FORMAT);
   }
 
-  public static function getTimeZone() {
-    return wp_timezone();
-  }
-
 }
diff --git a/source/view/events-list.php b/source/view/events-list.php
index 8bd3bc6..7cf046c 100644
--- a/source/view/events-list.php
+++ b/source/view/events-list.php
@@ -15,7 +15,7 @@ if (!defined('ABSPATH')) {
       <?php } ?>
       <a href="<?php echo esc_attr($event['url']); ?>"><?php echo esc_html($event['title']); ?></a>
       <br>
-      <?php echo esc_html(LineFormatter::format_date_time($timeZone, $dateFormat, $timeFormat, $event['beginsOn'], $event['endsOn'])); ?>
+      <?php echo esc_html(LineFormatter::format_date_time($dateFormat, $timeFormat, $event['beginsOn'], $event['endsOn'])); ?>
       <?php if (isset($event['physicalAddress'])) { ?>
       <br>
       <?php echo esc_html(LineFormatter::format_location($event['physicalAddress']['description'], $event['physicalAddress']['locality'])) ?>
diff --git a/tests/LineFormatterTest.php b/tests/LineFormatterTest.php
index 4294b66..fd58bf3 100644
--- a/tests/LineFormatterTest.php
+++ b/tests/LineFormatterTest.php
@@ -25,15 +25,15 @@ function date_i18n(string $format, int $timestamp) {
 final class LineFormatterTest extends TestCase
 {
   public function testCanDateFormatOneDate(): void {
-    $this->assertSame('15/04/2021 10:30 - 15:30', LineFormatter::format_date_time(new \DateTimeZone('UTC'), 'd/m/Y', 'H:i', '2021-04-15T10:30:00Z', '2021-04-15T15:30:00Z'));
+    $this->assertSame('15/04/2021 10:30 - 15:30', LineFormatter::format_date_time('d/m/Y', 'H:i', '2021-04-15T10:30:00Z', '2021-04-15T15:30:00Z'));
   }
 
   public function testCanDateFormatTwoDates(): void {
-    $this->assertSame('15/04/2021 10:30 - 16/04/2021 15:30', LineFormatter::format_date_time(new \DateTimeZone('UTC'), 'd/m/Y', 'H:i', '2021-04-15T10:30:00Z', '2021-04-16T15:30:00Z'));
+    $this->assertSame('15/04/2021 10:30 - 16/04/2021 15:30', LineFormatter::format_date_time('d/m/Y', 'H:i', '2021-04-15T10:30:00Z', '2021-04-16T15:30:00Z'));
   }
 
   public function testCanDateFormatWhenSecondDateIsNull(): void {
-    $this->assertSame('15/04/2021 10:30', LineFormatter::format_date_time(new \DateTimeZone('UTC'), 'd/m/Y', 'H:i', '2021-04-15T10:30:00Z', null));
+    $this->assertSame('15/04/2021 10:30', LineFormatter::format_date_time('d/m/Y', 'H:i', '2021-04-15T10:30:00Z', null));
   }
 
   public function testCanLocationFormatBothParameters(): void {
diff --git a/tests/LocalDateTimeTest.php b/tests/LocalDateTimeTest.php
deleted file mode 100644
index 19e15aa..0000000
--- a/tests/LocalDateTimeTest.php
+++ /dev/null
@@ -1,12 +0,0 @@
-<?php
-declare(strict_types=1);
-
-use MobilizonConnector\LocalDateTime;
-use PHPUnit\Framework\TestCase;
-
-final class LocalDateTimeTest extends TestCase {
-  public function testCanGet24TimeForUsualTime(): void {
-    $d = new LocalDateTime('2020-12-24T16:45:00Z', new DateTimeZone("utc"));
-    $this->assertEquals(new DateTimeImmutable('2020-12-24T16:45:00Z'), $d->getValue());
-  }
-}