diff --git a/config.py b/config.py
index b0c94aa..94c7c7c 100644
--- a/config.py
+++ b/config.py
@@ -1,14 +1,19 @@
+import os
 from pathlib import Path
 from zoneinfo import ZoneInfo
 
+from dotenv import load_dotenv
 from pydantic import Field
 from pydantic_settings import BaseSettings, SettingsConfigDict
 
-# 프로젝트 전역 타임존 설정 (서울)
-TIMEZONE = ZoneInfo("Asia/Seoul")
-
 PROJECT_DIR = Path(__file__).resolve().parent
 
+# .env 파일 로드 (Settings 클래스보다 먼저 TIMEZONE을 사용하기 위함)
+load_dotenv(PROJECT_DIR / ".env")
+
+# 프로젝트 전역 타임존 설정 (기본값: 서울)
+TIMEZONE = ZoneInfo(os.getenv("TIMEZONE", "Asia/Seoul"))
+
 # 미디어 파일 저장 디렉토리
 MEDIA_ROOT = PROJECT_DIR / "media"
 MEDIA_ROOT.mkdir(exist_ok=True)
@@ -27,6 +32,10 @@ class ProjectSettings(BaseSettings):
     DESCRIPTION: str = Field(default="FastAPI 기반 CastAD 프로젝트")
     ADMIN_BASE_URL: str = Field(default="/admin")
     DEBUG: bool = Field(default=True)
+    TIMEZONE: str = Field(
+        default="Asia/Seoul",
+        description="프로젝트 전역 타임존 (예: Asia/Seoul, UTC, America/New_York)",
+    )
 
     model_config = _base_config
 
diff --git a/pyproject.toml b/pyproject.toml
index 4380915..751a21c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,6 +15,7 @@ dependencies = [
     "openai>=2.13.0",
     "playwright>=1.57.0",
     "pydantic-settings>=2.12.0",
+    "python-dotenv>=1.0.0",
     "python-jose[cryptography]>=3.5.0",
     "python-multipart>=0.0.21",
     "redis>=7.1.0",
diff --git a/uv.lock b/uv.lock
index 2d00834..35c2838 100644
--- a/uv.lock
+++ b/uv.lock
@@ -657,6 +657,7 @@ dependencies = [
     { name = "openai" },
     { name = "playwright" },
     { name = "pydantic-settings" },
+    { name = "python-dotenv" },
     { name = "python-jose", extra = ["cryptography"] },
     { name = "python-multipart" },
     { name = "redis" },
@@ -685,6 +686,7 @@ requires-dist = [
     { name = "openai", specifier = ">=2.13.0" },
     { name = "playwright", specifier = ">=1.57.0" },
     { name = "pydantic-settings", specifier = ">=2.12.0" },
+    { name = "python-dotenv", specifier = ">=1.0.0" },
     { name = "python-jose", extras = ["cryptography"], specifier = ">=3.5.0" },
     { name = "python-multipart", specifier = ">=0.0.21" },
     { name = "redis", specifier = ">=7.1.0" },