diff --git a/app/Auth/SystemClock.php b/app/Auth/SystemClock.php
new file mode 100644
index 0000000..4e845b6
--- /dev/null
+++ b/app/Auth/SystemClock.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Auth;
+
+use DateTimeImmutable;
+
+class SystemClock implements Clock
+{
+    public function now(): DateTimeImmutable
+    {
+        return new DateTimeImmutable();
+    }
+}