diff --git a/backend/jobs/scheduler.py b/backend/jobs/scheduler.py
index 16d40c9..894098d 100644
--- a/backend/jobs/scheduler.py
+++ b/backend/jobs/scheduler.py
@@ -2,9 +2,13 @@
 APScheduler configuration for background jobs.
 """
 import logging
+from zoneinfo import ZoneInfo
+
 from apscheduler.schedulers.background import BackgroundScheduler
 from apscheduler.triggers.cron import CronTrigger
 
+KST = ZoneInfo("Asia/Seoul")
+
 from jobs.snapshot_job import create_daily_snapshots
 from jobs.collection_job import run_daily_collection
 
@@ -23,12 +27,13 @@ def configure_jobs():
             hour=18,
             minute=0,
             day_of_week='mon-fri',
+            timezone=KST,
         ),
         id='daily_collection',
         name='Collect daily market data',
         replace_existing=True,
     )
-    logger.info("Configured daily_collection job at 18:00")
+    logger.info("Configured daily_collection job at 18:00 KST")
 
     # Daily snapshot at 18:30 (after data collection completes)
     scheduler.add_job(
@@ -37,12 +42,13 @@ def configure_jobs():
             hour=18,
             minute=30,
             day_of_week='mon-fri',
+            timezone=KST,
         ),
         id='daily_snapshots',
         name='Create daily portfolio snapshots',
         replace_existing=True,
     )
-    logger.info("Configured daily_snapshots job at 18:30")
+    logger.info("Configured daily_snapshots job at 18:30 KST")
 
 
 def start_scheduler():