diff --git a/templates/email/order.html.twig b/templates/email/order.html.twig
index 21f61e4..8103edc 100644
--- a/templates/email/order.html.twig
+++ b/templates/email/order.html.twig
@@ -73,6 +73,14 @@
                             <p style="color: #666666; margin: 10px 0; font-size: 16px;">Uhrzeit: 17:30 - Open End</p>
                             <p style="color: #666666; margin: 10px 0; font-size: 16px;">Adresse: Graubündener Str. 4, 28325 Bremen</p>
                         </div>
+                        <div style="display: inline-flex; align-items: center; border: 1px solid gray; border-radius: 4px; padding: 3px 6px">
+                            <a href="https://fws-bremen-abiball.de{{ path('app_calendar') }}"
+                               target="_blank"
+                               style="display: inline-flex; align-items: center; padding: 12px 24px; background-color: #e5e7eb; border-radius: 4px; text-decoration: none; transition: background-color 0.3s ease;">
+                                <twig:ux:icon name="heroicons:calendar" style="width: 20px; height: 20px; margin-right: 8px; color: #4b5563;" />
+                                <span style="font-size: 14px; font-weight: 500; color: #4b5563;">Zum Kalender hinzufügen</span>
+                            </a>
+                        </div>
                     </div>
                 </td>
             </tr>