diff --git a/app/workers/daily_digest.py b/app/workers/daily_digest.py
index 213a9be..edd31e0 100644
--- a/app/workers/daily_digest.py
+++ b/app/workers/daily_digest.py
@@ -6,6 +6,7 @@ DEVONthink/OmniFocus → PostgreSQL/CalDAV 쿼리로 전환.
 
 import os
 from datetime import datetime, timezone
+from zoneinfo import ZoneInfo
 from pathlib import Path
 
 from sqlalchemy import func, select, text
@@ -21,7 +22,8 @@ logger = setup_logger("daily_digest")
 
 async def run():
     """일일 다이제스트 생성 + 저장 + 발송"""
-    today = datetime.now(timezone.utc).strftime("%Y-%m-%d")
+    # KST 기준 오늘 (cron 이 KST timezone fix 후 20:00 KST 에 fire). date 객체로 비교 — Document.created_at::date 와 직접 매칭.
+    today = datetime.now(ZoneInfo("Asia/Seoul")).date()
     sections = []
 
     async with async_session() as session: