diff --git a/frontend/app.vue b/frontend/app.vue
index bcc1978..a7e8275 100644
--- a/frontend/app.vue
+++ b/frontend/app.vue
@@ -3827,9 +3827,20 @@ async function decideFeedCard(card: FeedCard, decision: "accepted" | "rejected")
               <button
                 v-for="item in yearMonths"
                 :key="`year-month-${item.monthIndex}`"
-                class="rounded-xl border border-base-300 p-3 text-left transition hover:border-primary/50 hover:bg-primary/5"
+                class="group relative rounded-xl border border-base-300 p-3 text-left transition hover:border-primary/50 hover:bg-primary/5"
                 @click="openYearMonth(item.monthIndex)"
               >
+                <button
+                  type="button"
+                  class="calendar-hover-jump calendar-hover-jump-month"
+                  title="Expand month diagonally"
+                  aria-label="Expand month diagonally"
+                  @click.stop="openYearMonth(item.monthIndex)"
+                >
+                  <svg viewBox="0 0 20 20" class="h-3.5 w-3.5 fill-none stroke-current" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
+                    <path d="M7 13L3 17M13 7l4-4M3 13V17h4M17 7V3h-4" />
+                  </svg>
+                </button>
                 <p class="font-medium">{{ item.label }}</p>
                 <p class="text-xs text-base-content/60">{{ item.count }} events</p>
                 <button
@@ -4988,6 +4999,11 @@ async function decideFeedCard(card: FeedCard, decision: "accepted" | "rejected")
   right: 10px;
 }
 
+.calendar-hover-jump-month {
+  top: 8px;
+  right: 8px;
+}
+
 .calendar-hover-jump-row {
   top: 50%;
   right: -14px;