diff --git a/app.js b/app.js
index d8a1f0f3..689de7a9 100644
--- a/app.js
+++ b/app.js
@@ -1,7 +1,7 @@
 // 모듈 require
 const express = require("express");
 const http = require("http");
-const { port: httpPort, eventMode } = require("./loadenv");
+const { port: httpPort, eventConfig } = require("./loadenv");
 const logger = require("./src/modules/logger");
 const { connectDatabase } = require("./src/modules/stores/mongo");
 const { startSocketServer } = require("./src/modules/socket");
@@ -43,8 +43,11 @@ app.use(require("./src/middlewares/limitRate"));
 app.use("/docs", require("./src/routes/docs"));
 
 // 2023 추석 이벤트 전용 라우터입니다.
-eventMode &&
-  app.use(`/events/${eventMode}`, require("./src/lottery").lotteryRouter);
+eventConfig &&
+  app.use(
+    `/events/${eventConfig.mode}`,
+    require("./src/lottery").lotteryRouter
+  );
 
 // [Middleware] 모든 API 요청에 대하여 origin 검증
 app.use(require("./src/middlewares/originValidator"));
diff --git a/loadenv.js b/loadenv.js
index 2bce4fb9..1f9528b6 100644
--- a/loadenv.js
+++ b/loadenv.js
@@ -38,5 +38,5 @@ module.exports = {
   slackWebhookUrl: {
     report: process.env.SLACK_REPORT_WEBHOOK_URL || "", // optional
   },
-  eventMode: undefined,
+  eventConfig: process.env.EVENT_CONFIG && JSON.parse(process.env.EVENT_CONFIG), // optional
 };
diff --git a/src/lottery/index.js b/src/lottery/index.js
index 7ca282fe..faed346b 100644
--- a/src/lottery/index.js
+++ b/src/lottery/index.js
@@ -6,11 +6,11 @@ const {
   transactionModel,
 } = require("./modules/stores/mongo");
 
-const { eventMode } = require("../../loadenv");
+const { eventConfig } = require("../../loadenv");
 const { buildResource } = require("../modules/adminResource");
 
 // [Routes] 기존 docs 라우터의 docs extend
-require("./routes/docs")();
+eventConfig && require("./routes/docs")();
 
 const lotteryRouter = express.Router();
 
@@ -30,7 +30,8 @@ const resources = [
   transactionModel,
 ].map(buildResource());
 
-const contracts = eventMode && require(`./modules/contracts/${eventMode}`);
+const contracts =
+  eventConfig && require(`./modules/contracts/${eventConfig.mode}`);
 
 module.exports = {
   lotteryRouter,
diff --git a/src/lottery/modules/contracts/2023fall.js b/src/lottery/modules/contracts/2023fall.js
index abe2f0d8..650c0d76 100644
--- a/src/lottery/modules/contracts/2023fall.js
+++ b/src/lottery/modules/contracts/2023fall.js
@@ -76,11 +76,6 @@ const quests = buildQuests({
   },
 });
 
-const eventPeriod = {
-  start: new Date("2023-09-25T00:00:00+09:00"), // Inclusive
-  end: new Date("2023-10-10T00:00:00+09:00"), // Exclusive
-};
-
 /**
  * firstLogin 퀘스트의 완료를 요청합니다.
  * @param {string|mongoose.Types.ObjectId} userId - 퀘스트를 완료한 사용자의 ObjectId입니다.
@@ -89,7 +84,7 @@ const eventPeriod = {
  * @usage lottery/globalState/createUserGlobalStateHandler
  */
 const completeFirstLoginQuest = async (userId, timestamp) => {
-  return await completeQuest(userId, timestamp, eventPeriod, quests.firstLogin);
+  return await completeQuest(userId, timestamp, quests.firstLogin);
 };
 
 /**
@@ -112,7 +107,6 @@ const completePayingAndSendingQuest = async (timestamp, roomObject) => {
         await completeQuest(
           participant.user._id,
           timestamp,
-          eventPeriod,
           quests.payingAndSending
         )
     )
@@ -128,12 +122,7 @@ const completePayingAndSendingQuest = async (timestamp, roomObject) => {
  * @usage rooms/createHandler
  */
 const completeFirstRoomCreationQuest = async (userId, timestamp) => {
-  return await completeQuest(
-    userId,
-    timestamp,
-    eventPeriod,
-    quests.firstRoomCreation
-  );
+  return await completeQuest(userId, timestamp, quests.firstRoomCreation);
 };
 
 const completeRoomSharingQuest = async () => {
@@ -153,7 +142,7 @@ const completeRoomSharingQuest = async () => {
 const completePayingQuest = async (userId, timestamp, roomObject) => {
   if (roomObject.part.length < 2) return null;
 
-  return await completeQuest(userId, timestamp, eventPeriod, quests.paying);
+  return await completeQuest(userId, timestamp, quests.paying);
 };
 
 /**
@@ -169,7 +158,7 @@ const completePayingQuest = async (userId, timestamp, roomObject) => {
 const completeSendingQuest = async (userId, timestamp, roomObject) => {
   if (roomObject.part.length < 2) return null;
 
-  return await completeQuest(userId, timestamp, eventPeriod, quests.sending);
+  return await completeQuest(userId, timestamp, quests.sending);
 };
 
 /**
@@ -181,12 +170,7 @@ const completeSendingQuest = async (userId, timestamp, roomObject) => {
  * @usage users/editNicknameHandler
  */
 const completeNicknameChangingQuest = async (userId, timestamp) => {
-  return await completeQuest(
-    userId,
-    timestamp,
-    eventPeriod,
-    quests.nicknameChanging
-  );
+  return await completeQuest(userId, timestamp, quests.nicknameChanging);
 };
 
 /**
@@ -201,12 +185,7 @@ const completeNicknameChangingQuest = async (userId, timestamp) => {
 const completeAccountChangingQuest = async (userId, timestamp, newAccount) => {
   if (newAccount === "") return null;
 
-  return await completeQuest(
-    userId,
-    timestamp,
-    eventPeriod,
-    quests.accountChanging
-  );
+  return await completeQuest(userId, timestamp, quests.accountChanging);
 };
 
 /**
@@ -225,12 +204,7 @@ const completeAdPushAgreementQuest = async (
 ) => {
   if (!advertisement) return null;
 
-  return await completeQuest(
-    userId,
-    timestamp,
-    eventPeriod,
-    quests.adPushAgreement
-  );
+  return await completeQuest(userId, timestamp, quests.adPushAgreement);
 };
 
 const completeEventSharingOnInstagramQuest = async () => {
@@ -243,7 +217,6 @@ const completePurchaseSharingOnInstagramQuest = async () => {
 
 module.exports = {
   quests,
-  eventPeriod,
   completeFirstLoginQuest,
   completePayingAndSendingQuest,
   completeFirstRoomCreationQuest,
diff --git a/src/lottery/modules/quests.js b/src/lottery/modules/quests.js
index ce2d22d4..9aa5c77f 100644
--- a/src/lottery/modules/quests.js
+++ b/src/lottery/modules/quests.js
@@ -7,6 +7,12 @@ const {
 const logger = require("../../modules/logger");
 const mongoose = require("mongoose");
 
+const { eventConfig } = require("../../../loadenv");
+const eventPeriod = {
+  startAt: new Date(eventConfig.startAt),
+  endAt: new Date(eventConfig.endAt),
+};
+
 const requiredQuestFields = ["name", "description", "imageUrl", "reward"];
 const buildQuests = (quests) => {
   for (const [id, quest] of Object.entries(quests)) {
@@ -45,9 +51,6 @@ const buildQuests = (quests) => {
  * 퀘스트 완료를 요청합니다.
  * @param {string|mongoose.Types.ObjectId} userId - 퀘스트를 완료한 사용자의 ObjectId입니다.
  * @param {number|Date} timestamp - 퀘스트 완료를 요청한 시각입니다.
- * @param {Object} eventPeriod - 이벤트의 기간입니다.
- * @param {Date} eventPeriod.start - 이벤트의 시작 시각(Inclusive)입니다.
- * @param {Date} eventPeriod.end - 이벤트의 종료 시각(Exclusive)입니다.
  * @param {Object} quest - 퀘스트의 정보입니다.
  * @param {string} quest.id - 퀘스트의 Id입니다.
  * @param {string} quest.name - 퀘스트의 이름입니다.
@@ -57,14 +60,14 @@ const buildQuests = (quests) => {
  * @param {number} quest.maxCount - 퀘스트의 최대 완료 가능 횟수입니다.
  * @returns {Object|null} 성공한 경우 Object를, 실패한 경우 null을 반환합니다. 이미 최대 완료 횟수에 도달했거나, 퀘스트가 원격으로 비활성화 된 경우에도 실패로 처리됩니다.
  */
-const completeQuest = async (userId, timestamp, eventPeriod, quest) => {
+const completeQuest = async (userId, timestamp, quest) => {
   try {
     // 1단계: 유저의 EventStatus를 가져옵니다.
     const eventStatus = await eventStatusModel.findOne({ userId }).lean();
     if (!eventStatus) return null;
 
     // 2단계: 이벤트 기간인지 확인합니다.
-    if (timestamp >= eventPeriod.end || timestamp < eventPeriod.start) {
+    if (timestamp >= eventPeriod.endAt || timestamp < eventPeriod.startAt) {
       logger.info(
         `User ${userId} failed to complete auto-disabled ${quest.id}Quest`
       );
diff --git a/src/lottery/routes/docs/globalState.js b/src/lottery/routes/docs/globalState.js
index 6883ac33..ffaddf3a 100644
--- a/src/lottery/routes/docs/globalState.js
+++ b/src/lottery/routes/docs/globalState.js
@@ -1,5 +1,5 @@
-const { eventMode } = require("../../../../loadenv");
-const apiPrefix = `/events/${eventMode}/global-state`;
+const { eventConfig } = require("../../../../loadenv");
+const apiPrefix = `/events/${eventConfig.mode}/global-state`;
 
 const globalStateDocs = {};
 globalStateDocs[`${apiPrefix}/`] = {
diff --git a/src/lottery/routes/docs/items.js b/src/lottery/routes/docs/items.js
index d1c0956e..4079795a 100644
--- a/src/lottery/routes/docs/items.js
+++ b/src/lottery/routes/docs/items.js
@@ -1,5 +1,5 @@
-const { eventMode } = require("../../../../loadenv");
-const apiPrefix = `/events/${eventMode}/items`;
+const { eventConfig } = require("../../../../loadenv");
+const apiPrefix = `/events/${eventConfig.mode}/items`;
 
 const itemsDocs = {};
 itemsDocs[`${apiPrefix}/list`] = {
diff --git a/src/lottery/routes/docs/publicNotice.js b/src/lottery/routes/docs/publicNotice.js
index cda93fa1..649ac5a6 100644
--- a/src/lottery/routes/docs/publicNotice.js
+++ b/src/lottery/routes/docs/publicNotice.js
@@ -1,5 +1,5 @@
-const { eventMode } = require("../../../../loadenv");
-const apiPrefix = `/events/${eventMode}/public-notice`;
+const { eventConfig } = require("../../../../loadenv");
+const apiPrefix = `/events/${eventConfig.mode}/public-notice`;
 
 const publicNoticeDocs = {};
 publicNoticeDocs[`${apiPrefix}/leaderboard`] = {
diff --git a/src/lottery/routes/docs/swaggerDocs.js b/src/lottery/routes/docs/swaggerDocs.js
index 96c7fe86..12771ce7 100644
--- a/src/lottery/routes/docs/swaggerDocs.js
+++ b/src/lottery/routes/docs/swaggerDocs.js
@@ -1,11 +1,11 @@
-const { eventMode } = require("../../../../loadenv");
+const { eventConfig } = require("../../../../loadenv");
 const globalStateDocs = require("./globalState");
 const itemsDocs = require("./items");
 const transactionsDocs = require("./transactions");
 const itemsSchema = require("./itemsSchema");
 const publicNoticeDocs = require("./publicNotice");
 
-const apiPrefix = `/events/${eventMode}`;
+const apiPrefix = `/events/${eventConfig.mode}`;
 
 const eventSwaggerDocs = {
   tags: [
diff --git a/src/lottery/routes/docs/transactions.js b/src/lottery/routes/docs/transactions.js
index 60e7435b..9bb82f41 100644
--- a/src/lottery/routes/docs/transactions.js
+++ b/src/lottery/routes/docs/transactions.js
@@ -1,5 +1,5 @@
-const { eventMode } = require("../../../../loadenv");
-const apiPrefix = `/events/${eventMode}/transactions`;
+const { eventConfig } = require("../../../../loadenv");
+const apiPrefix = `/events/${eventConfig.mode}/transactions`;
 
 const transactionsDocs = {};
 transactionsDocs[`${apiPrefix}/`] = {
diff --git a/src/lottery/services/globalState.js b/src/lottery/services/globalState.js
index 7c7f7c5f..0cf4315c 100644
--- a/src/lottery/services/globalState.js
+++ b/src/lottery/services/globalState.js
@@ -2,11 +2,10 @@ const { eventStatusModel } = require("../modules/stores/mongo");
 const logger = require("../../modules/logger");
 const { isLogin, getLoginInfo } = require("../../modules/auths/login");
 
-const { eventMode } = require("../../../loadenv");
-const contract = eventMode
-  ? require(`../modules/contracts/${eventMode}`)
-  : undefined;
-const quests = contract ? Object.values(contract.quests) : undefined;
+const { eventConfig } = require("../../../loadenv");
+const contracts =
+  eventConfig && require(`../modules/contracts/${eventConfig.mode}`);
+const quests = contracts ? Object.values(contracts.quests) : undefined;
 
 const getUserGlobalStateHandler = async (req, res) => {
   try {
@@ -50,7 +49,7 @@ const createUserGlobalStateHandler = async (req, res) => {
     });
     await eventStatus.save();
 
-    await contract.completeFirstLoginQuest(req.userOid, req.timestamp);
+    await contracts.completeFirstLoginQuest(req.userOid, req.timestamp);
 
     res.json({ result: true });
   } catch (err) {
diff --git a/src/lottery/services/items.js b/src/lottery/services/items.js
index 5e3a5a1c..26afb6b0 100644
--- a/src/lottery/services/items.js
+++ b/src/lottery/services/items.js
@@ -20,10 +20,11 @@ const updateEventStatus = async (
     }
   );
 
-const { eventMode } = require("../../../loadenv");
-const eventPeriod = eventMode
-  ? require(`../modules/contracts/${eventMode}`).eventPeriod
-  : undefined;
+const { eventConfig } = require("../../../loadenv");
+const eventPeriod = eventConfig && {
+  startAt: new Date(eventConfig.startAt),
+  endAt: new Date(eventConfig.endAt),
+};
 
 const getRandomItem = async (req, depth) => {
   if (depth >= 10) {
@@ -126,7 +127,10 @@ const purchaseHandler = async (req, res) => {
         .status(400)
         .json({ error: "Items/Purchase : nonexistent eventStatus" });
 
-    if (req.timestamp >= eventPeriod.end || req.timestamp < eventPeriod.start)
+    if (
+      req.timestamp >= eventPeriod.endAt ||
+      req.timestamp < eventPeriod.startAt
+    )
       return res.status(400).json({ error: "Items/Purchase : out of date" });
 
     const { itemId } = req.params;
diff --git a/src/routes/admin.js b/src/routes/admin.js
index d476142e..e2ddaae4 100644
--- a/src/routes/admin.js
+++ b/src/routes/admin.js
@@ -13,7 +13,7 @@ const {
   deviceTokenModel,
   notificationOptionModel,
 } = require("../modules/stores/mongo");
-const { eventMode } = require("../../loadenv");
+const { eventConfig } = require("../../loadenv");
 const { buildResource } = require("../modules/adminResource");
 
 const router = express.Router();
@@ -37,7 +37,7 @@ const baseResources = [
   notificationOptionModel,
 ].map(buildResource());
 const resources = baseResources.concat(
-  eventMode === "2023fall" ? require("../lottery").resources : []
+  eventConfig?.mode === "2023fall" ? require("../lottery").resources : []
 );
 
 // Create router for admin page