diff --git a/extract/padelnomics_extract/src/padelnomics_extract/playtomic_availability.py b/extract/padelnomics_extract/src/padelnomics_extract/playtomic_availability.py
index 62534b0..2ad1cea 100644
--- a/extract/padelnomics_extract/src/padelnomics_extract/playtomic_availability.py
+++ b/extract/padelnomics_extract/src/padelnomics_extract/playtomic_availability.py
@@ -434,8 +434,10 @@ def _find_venues_with_upcoming_slots(
                 if not start_time_str:
                     continue
                 try:
-                    # Parse "2026-02-24T17:00:00" format
-                    slot_start = datetime.fromisoformat(start_time_str).replace(tzinfo=UTC)
+                    # start_time is "HH:MM:SS"; combine with resource's start_date
+                    start_date = resource.get("start_date", "")
+                    full_dt = f"{start_date}T{start_time_str}" if start_date else start_time_str
+                    slot_start = datetime.fromisoformat(full_dt).replace(tzinfo=UTC)
                     if window_start <= slot_start < window_end:
                         tenant_ids.add(tid)
                         break  # found one upcoming slot, no need to check more