diff --git a/examples/Quantinuum_hseries_queue_visibility.ipynb b/examples/Quantinuum_hseries_queue_visibility.ipynb
index 5098767c..736a8dd9 100644
--- a/examples/Quantinuum_hseries_queue_visibility.ipynb
+++ b/examples/Quantinuum_hseries_queue_visibility.ipynb
@@ -841,12 +841,13 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "print(\n",
-    "    \"Time Range: \",\n",
-    "    calendar[3].get(\"start-date\").strftime(\"%Y-%m-%d %H:%M %Z\"),\n",
-    "    \"-\",\n",
-    "    calendar[3].get(\"end-date\").strftime(\"%Y-%m-%d %H:%M %Z\"),\n",
-    ")"
+    "if len(calendar) > 0:\n",
+    "    print(\n",
+    "        \"Time Range: \",\n",
+    "        calendar[0].get(\"start-date\").strftime(\"%Y-%m-%d %H:%M %Z\"),\n",
+    "        \"-\",\n",
+    "        calendar[0].get(\"end-date\").strftime(\"%Y-%m-%d %H:%M %Z\"),\n",
+    "    )"
    ]
   },
   {
@@ -863,13 +864,13 @@
    "outputs": [],
    "source": [
     "calendar_utc = quantum_backend.get_calendar(start_date, end_date, localise=False)\n",
-    "\n",
-    "print(\n",
-    "    \"Time Range:\",\n",
-    "    calendar_utc[3].get(\"start-date\").strftime(\"%Y-%m-%d %H:%M %Z\"),\n",
-    "    \"-\",\n",
-    "    calendar_utc[3].get(\"end-date\").strftime(\"%Y-%m-%d %H:%M %Z\"),\n",
-    ")"
+    "if len(calendar) > 0:\n",
+    "    print(\n",
+    "        \"Time Range:\",\n",
+    "        calendar_utc[0].get(\"start-date\").strftime(\"%Y-%m-%d %H:%M %Z\"),\n",
+    "        \"-\",\n",
+    "        calendar_utc[0].get(\"end-date\").strftime(\"%Y-%m-%d %H:%M %Z\"),\n",
+    "    )"
    ]
   },
   {