diff --git a/api/admin/perf-dashboard.cfm b/api/admin/perf-dashboard.cfm
index 71b4814..3e134ba 100644
--- a/api/admin/perf-dashboard.cfm
+++ b/api/admin/perf-dashboard.cfm
@@ -134,7 +134,10 @@ function fmtDate(s) {
   if (!s || s === 'none') return 'none';
   var d = new Date(s.replace(' ', 'T'));
   if (isNaN(d)) return s;
-  return d.toLocaleDateString('en-US', { month: 'short', day: 'numeric' }) + ', ' + d.toLocaleTimeString('en-US', { hour: 'numeric', minute: '2-digit', hour12: true });
+  var mo = d.getMonth() + 1, dy = d.getDate(), yr = String(d.getFullYear()).slice(-2);
+  var h = d.getHours(), mi = String(d.getMinutes()).padStart(2, '0'), ap = h >= 12 ? 'p' : 'a';
+  h = h % 12 || 12;
+  return mo + '/' + dy + '/' + yr + ' ' + h + '.' + mi + ap;
 }
 function fmtMs(n) {
   if (n == null) return '-';