set timezone

database/migrations/2022_12_02_133043_add_timezone_field_to_users_table.php

@@ -0,0 +1,30 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    /**
+     * Run the migrations.
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->string('timezone')
+                  ->default('Europe/Berlin');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('users', function (Blueprint $table) {
+            //
+        });
+    }
+};

database/seeders/DatabaseSeeder.php

@@ -107,9 +107,9 @@ class DatabaseSeeder extends Seeder
         Event::create([
             'course_id' => 1,
             'venue_id'  => 1,
-            'from'      => now()->addDays(10),
+            'from'      => now()->startOfDay(),
             'to'        => now()
-                ->addDays(10)
+                ->startOfDay()
                 ->addHour(),
         ]);
         Registration::create([