diff --git a/src/main/java/org/sopt/sweet/domain/gift/dto/response/TournamentInfoDto.java b/src/main/java/org/sopt/sweet/domain/gift/dto/response/TournamentInfoDto.java
index 0d8b4e3..42cc190 100644
--- a/src/main/java/org/sopt/sweet/domain/gift/dto/response/TournamentInfoDto.java
+++ b/src/main/java/org/sopt/sweet/domain/gift/dto/response/TournamentInfoDto.java
@@ -7,22 +7,18 @@
 
 @Builder
 public record TournamentInfoDto(
-        LocalDateTime tournamentStartDate,
-        TournamentDuration tournamentDuration,
-
-        int TotalParticipantsCount,
-        int ParticipantsCount
+        LocalDateTime remainingTime,
+        int totalParticipantsCount,
+        int participantsCount
 
 ) {
-    public static TournamentInfoDto of(LocalDateTime tournamentStartDate,
-                                       TournamentDuration tournamentDuration,
+    public static TournamentInfoDto of(LocalDateTime remainingTime,
                                        int TotalParticipantsCount,
                                        int ParticipantsCount) {
         return TournamentInfoDto.builder()
-                .tournamentStartDate(tournamentStartDate)
-                .tournamentDuration(tournamentDuration)
-                .TotalParticipantsCount(TotalParticipantsCount)
-                .ParticipantsCount(ParticipantsCount)
+                .remainingTime(remainingTime)
+                .totalParticipantsCount(TotalParticipantsCount)
+                .participantsCount(ParticipantsCount)
                 .build();
     }
 
diff --git a/src/main/java/org/sopt/sweet/domain/gift/service/GiftService.java b/src/main/java/org/sopt/sweet/domain/gift/service/GiftService.java
index 5609cef..8b79dff 100644
--- a/src/main/java/org/sopt/sweet/domain/gift/service/GiftService.java
+++ b/src/main/java/org/sopt/sweet/domain/gift/service/GiftService.java
@@ -2,7 +2,6 @@
 
 import lombok.RequiredArgsConstructor;
 import org.sopt.sweet.domain.gift.dto.request.CreateGiftRequestDto;
-import org.sopt.sweet.domain.gift.dto.request.MyGiftsRequestDto;
 import org.sopt.sweet.domain.gift.dto.request.TournamentScoreRequestDto;
 import org.sopt.sweet.domain.gift.dto.response.*;
 import org.sopt.sweet.domain.gift.entity.Gift;
@@ -20,6 +19,7 @@
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.time.Duration;
 import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.Comparator;
@@ -27,7 +27,6 @@
 import java.util.Optional;
 import java.util.stream.Collectors;
 
-import static org.codehaus.groovy.runtime.DefaultGroovyMethods.collect;
 import static org.sopt.sweet.global.error.ErrorCode.*;
 
 @RequiredArgsConstructor
@@ -186,10 +185,25 @@ public TournamentInfoDto getTournamentInfo(Long memberId, Long roomId) {
 
         int participatingMembersCount = roomMemberRepository.countByRoomIdAndTournamentParticipationIsTrue(roomId);
 
-        return new TournamentInfoDto(tournamentStartDate, tournamentDuration, totalParticipantsCount, participatingMembersCount);
+        LocalDateTime tournamentEndTime = getTournamentEndDate(tournamentStartDate, tournamentDuration);
+        LocalDateTime remainingTime =getTournamentRemainingTime(tournamentEndTime);
+
+        return new TournamentInfoDto(remainingTime, totalParticipantsCount, participatingMembersCount);
     }
 
 
+    private LocalDateTime getTournamentEndDate(LocalDateTime tournamentStartDate, TournamentDuration tournamentDuration) {
+        LocalDateTime tournamentEndTime = tournamentStartDate.plusHours(tournamentDuration.getHours());
+        return tournamentEndTime;
+    }
+
+
+    private LocalDateTime getTournamentRemainingTime(LocalDateTime tournamentEndTime) {
+        return tournamentEndTime
+                .minusHours(LocalDateTime.now().getHour())
+                .minusMinutes(LocalDateTime.now().getMinute())
+                .minusSeconds(LocalDateTime.now().getSecond());
+    }
 
     public void updateTournamentParticipation(Long memberId, Long roomId) {
         RoomMember roomMember = roomMemberRepository.findByRoomIdAndMemberId(roomId, memberId);