diff --git a/src/main/java/sopt/org/hmh/domain/admin/service/AdminFacade.java b/src/main/java/sopt/org/hmh/domain/admin/service/AdminFacade.java
index ac11f6f9..529ff438 100644
--- a/src/main/java/sopt/org/hmh/domain/admin/service/AdminFacade.java
+++ b/src/main/java/sopt/org/hmh/domain/admin/service/AdminFacade.java
@@ -12,6 +12,7 @@
 import sopt.org.hmh.domain.admin.dto.response.AdminTokenResponse;
 import sopt.org.hmh.domain.admin.exception.AdminError;
 import sopt.org.hmh.domain.admin.exception.AdminException;
+import sopt.org.hmh.domain.challenge.domain.Challenge;
 import sopt.org.hmh.domain.challenge.domain.exception.ChallengeError;
 import sopt.org.hmh.domain.challenge.domain.exception.ChallengeException;
 import sopt.org.hmh.domain.challenge.service.ChallengeService;
@@ -65,15 +66,17 @@ public void changeUserInfo(AdminUserInfoRequest request) {
     @Transactional
     public void changeDailyChallengeInfo(AdminDailyChallengeRequest request) {
         Long currentChallengeId = userService.getCurrentChallengeIdByUserId(request.userId());
+        Challenge challenge = challengeService.findByIdOrElseThrow(currentChallengeId);
         List<Status> statuses = request.statuses();
         LocalDate challengeDate = request.startDate();
 
-        validateStatusesPeriod(currentChallengeId, statuses);
+        validateStatusesPeriod(challenge, statuses);
+        challenge.changeStartDate(challengeDate);
         dailyChallengeService.changeInfoOfDailyChallenges(currentChallengeId, statuses, challengeDate);
     }
 
-    private void validateStatusesPeriod(Long challengeId, List<Status> statuses) {
-        Integer challengePeriod = challengeService.getChallengePeriod(challengeId);
+    private void validateStatusesPeriod(Challenge challenge, List<Status> statuses) {
+        Integer challengePeriod = challenge.getPeriod();
         if (challengePeriod != statuses.size()) {
             throw new ChallengeException(ChallengeError.INVALID_PERIOD_NUMERIC);
         }
diff --git a/src/main/java/sopt/org/hmh/domain/challenge/domain/Challenge.java b/src/main/java/sopt/org/hmh/domain/challenge/domain/Challenge.java
index 0cadad54..82f6d2c6 100644
--- a/src/main/java/sopt/org/hmh/domain/challenge/domain/Challenge.java
+++ b/src/main/java/sopt/org/hmh/domain/challenge/domain/Challenge.java
@@ -50,4 +50,8 @@ private Challenge(Integer period, Long userId, Long goalTime, List<ChallengeApp>
         this.apps = apps;
         this.startDate = startDate;
     }
+
+    public void changeStartDate(LocalDate startDate) {
+        this.startDate = startDate;
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/sopt/org/hmh/domain/challenge/service/ChallengeService.java b/src/main/java/sopt/org/hmh/domain/challenge/service/ChallengeService.java
index 1a986df7..103fedcc 100644
--- a/src/main/java/sopt/org/hmh/domain/challenge/service/ChallengeService.java
+++ b/src/main/java/sopt/org/hmh/domain/challenge/service/ChallengeService.java
@@ -35,8 +35,4 @@ public List<ChallengeApp> getCurrentChallengeAppByChallengeId(Long challengeId)
     public Challenge addChallenge(Challenge challenge) {
         return challengeRepository.save(challenge);
     }
-
-    public Integer getChallengePeriod(Long challengeId) {
-        return this.findByIdOrElseThrow(challengeId).getPeriod();
-    }
 }