diff --git a/backend/app/routers/sessions.py b/backend/app/routers/sessions.py
index 2ae8b5a..03c7d68 100644
--- a/backend/app/routers/sessions.py
+++ b/backend/app/routers/sessions.py
@@ -18,17 +18,36 @@ router = APIRouter(prefix="/api/sessions", tags=["sessions"])
 
 async def _broadcast_session(db: AsyncSession, session: DailySession) -> None:
     """Build a snapshot dict and broadcast it to all connected TVs for this child."""
-    # Load template blocks if available
     blocks = []
+    day_start_time = None
+    day_end_time = None
+
     if session.template_id:
-        result = await db.execute(
+        blocks_result = await db.execute(
             select(ScheduleBlock)
             .where(ScheduleBlock.template_id == session.template_id)
             .order_by(ScheduleBlock.order_index)
         )
-        blocks = [{"id": b.id, "subject_id": b.subject_id, "time_start": str(b.time_start),
-                   "time_end": str(b.time_end), "label": b.label, "order_index": b.order_index}
-                  for b in result.scalars().all()]
+        blocks = [
+            {
+                "id": b.id,
+                "subject_id": b.subject_id,
+                "time_start": str(b.time_start),
+                "time_end": str(b.time_end),
+                "duration_minutes": b.duration_minutes,
+                "label": b.label,
+                "order_index": b.order_index,
+            }
+            for b in blocks_result.scalars().all()
+        ]
+
+        template_result = await db.execute(
+            select(ScheduleTemplate).where(ScheduleTemplate.id == session.template_id)
+        )
+        template = template_result.scalar_one_or_none()
+        if template:
+            day_start_time = str(template.day_start_time) if template.day_start_time else None
+            day_end_time = str(template.day_end_time) if template.day_end_time else None
 
     # Gather completed block IDs from timer events
     events_result = await db.execute(
@@ -50,6 +69,8 @@ async def _broadcast_session(db: AsyncSession, session: DailySession) -> None:
         },
         "blocks": blocks,
         "completed_block_ids": completed_ids,
+        "day_start_time": day_start_time,
+        "day_end_time": day_end_time,
     }
     await manager.broadcast(session.child_id, payload)