diff --git a/frontend/src/components/ScheduleBlock.vue b/frontend/src/components/ScheduleBlock.vue
index 3f9b369..b02a316 100644
--- a/frontend/src/components/ScheduleBlock.vue
+++ b/frontend/src/components/ScheduleBlock.vue
@@ -14,7 +14,7 @@
         <span v-if="subjectName && block.label" class="block-label-suffix"> - {{ block.label }}</span>
       </div>
       <div class="block-time">
-        {{ block.time_start }} – {{ block.time_end }}
+        {{ formatTime(block.time_start) }} – {{ formatTime(block.time_end) }}
         <span class="block-duration" :class="{ 'block-duration-custom': block.duration_minutes != null }">
           · {{ durationLabel }}
         </span>
@@ -35,6 +35,14 @@ const props = defineProps({
   compact: { type: Boolean, default: false },
 })
 
+function formatTime(str) {
+  if (!str) return ''
+  const [h, m] = str.split(':').map(Number)
+  const period = h >= 12 ? 'PM' : 'AM'
+  const hour = h % 12 || 12
+  return `${hour}:${String(m).padStart(2, '0')} ${period}`
+}
+
 const subjectColor = computed(() => props.block.subject?.color || '#475569')
 const subjectName = computed(() => props.block.subject?.name || null)
 
diff --git a/frontend/src/views/AdminView.vue b/frontend/src/views/AdminView.vue
index 99eff44..cfe2661 100644
--- a/frontend/src/views/AdminView.vue
+++ b/frontend/src/views/AdminView.vue
@@ -212,7 +212,7 @@
                   </form>
                   <!-- Display mode -->
                   <div v-else class="block-row">
-                    <span class="block-time">{{ block.time_start }} – {{ block.time_end }}</span>
+                    <span class="block-time">{{ formatTime(block.time_start) }} – {{ formatTime(block.time_end) }}</span>
                     <span class="block-label">{{ block.label || subjectName(block.subject_id) || 'Unnamed' }}</span>
                     <span class="block-duration" :class="{ 'block-duration-custom': block.duration_minutes != null }">
                       {{ blockDurationLabel(block) }}
@@ -384,6 +384,14 @@ function subjectName(id) {
   return subjects.value.find((s) => s.id === id)?.name || null
 }
 
+function formatTime(str) {
+  if (!str) return ''
+  const [h, m] = str.split(':').map(Number)
+  const period = h >= 12 ? 'PM' : 'AM'
+  const hour = h % 12 || 12
+  return `${hour}:${String(m).padStart(2, '0')} ${period}`
+}
+
 function sortedBlocks(blocks) {
   const toMin = (t) => { if (!t) return 0; const [h, m] = t.split(':').map(Number); return h * 60 + m }
   return (blocks || []).slice().sort((a, b) => toMin(a.time_start) - toMin(b.time_start))