diff --git a/sites/events/src/main.js b/sites/events/src/main.js
index 0e07cf0..bbfa59f 100644
--- a/sites/events/src/main.js
+++ b/sites/events/src/main.js
@@ -114,15 +114,25 @@ function esc(s) {
 
 function fmtDateRange(startIso, endIso) {
   const start = new Date(startIso);
-  const opts = { weekday: "short", month: "short", day: "numeric", year: "numeric" };
-  const startStr = start.toLocaleDateString(undefined, opts);
-  if (!endIso) return startStr;
-  const end = new Date(endIso);
-  if (start.toDateString() === end.toDateString()) return startStr;
-  const sameMonth = start.getMonth() === end.getMonth() && start.getFullYear() === end.getFullYear();
-  const endStr = sameMonth
-    ? end.toLocaleDateString(undefined, { day: "numeric" })
-    : end.toLocaleDateString(undefined, opts);
+  const end = endIso ? new Date(endIso) : null;
+
+  // Single day: "Sat, Oct 17, 2026"
+  if (!end || start.toDateString() === end.toDateString()) {
+    return start.toLocaleDateString(undefined, { weekday: "short", month: "short", day: "numeric", year: "numeric" });
+  }
+
+  const sameYear = start.getFullYear() === end.getFullYear();
+  const sameMonth = sameYear && start.getMonth() === end.getMonth();
+
+  // Same month: "Oct 10–11, 2026"
+  if (sameMonth) {
+    const month = start.toLocaleDateString(undefined, { month: "short" });
+    return `${month} ${start.getDate()}–${end.getDate()}, ${end.getFullYear()}`;
+  }
+
+  // Different month (or year): "Oct 30 – Nov 1, 2026" / "Dec 30, 2026 – Jan 2, 2027"
+  const startStr = start.toLocaleDateString(undefined, { month: "short", day: "numeric", year: sameYear ? undefined : "numeric" });
+  const endStr = end.toLocaleDateString(undefined, { month: "short", day: "numeric", year: "numeric" });
   return `${startStr} – ${endStr}`;
 }