diff --git a/templates/_types/page_summary/_card.html b/templates/_types/page_summary/_card.html
index 4f72af5..28f6f15 100644
--- a/templates/_types/page_summary/_card.html
+++ b/templates/_types/page_summary/_card.html
@@ -3,7 +3,7 @@
   <div class="flex flex-col sm:flex-row sm:items-start justify-between gap-3">
     {# Left: event info #}
     <div class="flex-1 min-w-0">
-      {% set day_href = events_url('/' ~ post.slug ~ '/calendars/' ~ entry.calendar_slug ~ '/' ~ entry.start_at.strftime('%Y/%m/%d') ~ '/') %}
+      {% set day_href = events_url('/' ~ post.slug ~ '/calendars/' ~ entry.calendar_slug ~ '/day/' ~ entry.start_at.strftime('%Y/%-m/%-d') ~ '/') %}
       <a href="{{ day_href }}" class="hover:text-emerald-700">
         <h2 class="text-lg font-semibold text-stone-900">{{ entry.name }}</h2>
       </a>
diff --git a/templates/_types/page_summary/_card_tile.html b/templates/_types/page_summary/_card_tile.html
index 8f4aa79..935c546 100644
--- a/templates/_types/page_summary/_card_tile.html
+++ b/templates/_types/page_summary/_card_tile.html
@@ -1,6 +1,6 @@
 {# Tile card for page summary — compact event tile #}
 <article class="rounded-xl bg-white shadow-sm border border-stone-200 overflow-hidden">
-  {% set day_href = events_url('/' ~ post.slug ~ '/calendars/' ~ entry.calendar_slug ~ '/' ~ entry.start_at.strftime('%Y/%m/%d') ~ '/') %}
+  {% set day_href = events_url('/' ~ post.slug ~ '/calendars/' ~ entry.calendar_slug ~ '/day/' ~ entry.start_at.strftime('%Y/%-m/%-d') ~ '/') %}
   <a href="{{ day_href }}" class="block hover:bg-stone-50 transition">
     <div class="p-3">
       <h2 class="text-base font-semibold text-stone-900 line-clamp-2">{{ entry.name }}</h2>