diff --git a/ui/src/App.vue b/ui/src/App.vue
index 13c3883..f055b3b 100644
--- a/ui/src/App.vue
+++ b/ui/src/App.vue
@@ -35,6 +35,7 @@ import LoginModal from "./components/LoginModal.vue";
 export default class App extends Vue {
   image_url = "";
   modal_visible = false;
+  private visible_days = 0;
   date = "";
 
   declare $refs: {
@@ -46,6 +47,13 @@ export default class App extends Vue {
       this.date = date;
     });
 
+    this.$advent22.api_get_number(
+      "days/visible_days",
+      (visible_days: number) => {
+        this.visible_days = visible_days;
+      }
+    );
+
     this.$refs.login_modal.set_active(true);
   }
 
diff --git a/ui/src/plugins/advent22.ts b/ui/src/plugins/advent22.ts
index fb99514..8cfad6b 100644
--- a/ui/src/plugins/advent22.ts
+++ b/ui/src/plugins/advent22.ts
@@ -86,6 +86,20 @@ export class Advent22 {
       }
     );
   }
+
+  public api_get_number(
+    endpoint: string,
+    on_success: (data: number) => void,
+  ): void {
+    this.api_get<number>(
+      /**Explodiert Möglicherweise */
+      // oder auch nicht
+      endpoint,
+      (data: number) => {
+        on_success(data);
+      }
+    );
+  }
 }
 
 export const Advent22Plugin: Plugin = {