diff --git a/webapp/app.py b/webapp/app.py
index 72a977b..7bfaa73 100644
--- a/webapp/app.py
+++ b/webapp/app.py
@@ -1513,11 +1513,11 @@ def to_display_tz(value):
 
 @app.template_filter("local_dt")
 def local_dt(value, seconds=False):
-    """Any timestamp shown in the UI, as e.g. '2026-10-05 13:54 EDT'."""
+    """Any timestamp shown in the UI, 12-hour, as e.g. '2026-10-05 1:54 PM EDT'."""
     dt = to_display_tz(value)
     if dt is None:
         return value or "-"
-    return dt.strftime("%Y-%m-%d %H:%M:%S %Z" if seconds else "%Y-%m-%d %H:%M %Z")
+    return dt.strftime("%Y-%m-%d %-I:%M:%S %p %Z" if seconds else "%Y-%m-%d %-I:%M %p %Z")
 
 
 @app.template_filter("timestamp_fmt")