Add ability to set Timezone in config

.env.example

@@ -14,5 +14,6 @@ HIDE_APP_FILES=true
 HIDE_VCS_FILES=true
 
 DATE_FORMAT="Y-m-d H:i:s"
+TIMEZONE="UTC"
 
 MAX_HASH_SIZE=1000000000

app/config/app.php

@@ -119,6 +119,14 @@ return [
      */
     'date_format' => Helpers::env('DATE_FORMAT', 'Y-m-d H:i:s'),
 
+    /**
+     * Default timezone. For a list of supported timezones see:
+     * https://www.php.net/manual/en/timezones.php
+     *
+     * Default value: 'UTC'
+     */
+    'timezone' => Helpers::env('TIMEZONE', 'UTC'),
+
     /**
      * The maximum file size (in bytes) that can be hashed. This helps to
      * prevent timeouts for excessively large files.

app/src/Factories/TwigFactory.php

@@ -66,6 +66,10 @@ class TwigFactory
             $this->container->get('date_format'), '%d days'
         );
 
+        $twig->getEnvironment()->getExtension(CoreExtension::class)->setTimezone(
+            $this->container->get('timezone')
+        );
+
         foreach (self::VIEW_FUNCTIONS as $function) {
             $function = $this->callableResolver->resolve($function);