diff --git a/HongikYeolgong2.xcodeproj/project.pbxproj b/HongikYeolgong2.xcodeproj/project.pbxproj
index eeec9dd..93fd3b5 100644
--- a/HongikYeolgong2.xcodeproj/project.pbxproj
+++ b/HongikYeolgong2.xcodeproj/project.pbxproj
@@ -1556,7 +1556,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.1.1;
+				MARKETING_VERSION = 1.1.3;
 				PRODUCT_BUNDLE_IDENTIFIER = com.teamHY2.HongikYeolgong2;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
@@ -1603,7 +1603,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.1.1;
+				MARKETING_VERSION = 1.1.3;
 				PRODUCT_BUNDLE_IDENTIFIER = com.teamHY2.HongikYeolgong2;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
diff --git a/HongikYeolgong2/Data/Repositories/StudySession/StudySessionRepositoryImpl.swift b/HongikYeolgong2/Data/Repositories/StudySession/StudySessionRepositoryImpl.swift
index acde8ab..30e008d 100644
--- a/HongikYeolgong2/Data/Repositories/StudySession/StudySessionRepositoryImpl.swift
+++ b/HongikYeolgong2/Data/Repositories/StudySession/StudySessionRepositoryImpl.swift
@@ -80,7 +80,7 @@ final class StudySessionRepositoryImpl: StudySessionRepository {
         return Future<[AllStudyRecord], NetworkError> { promise in
             Task {
                 do {
-                    let response: BaseResponse<[CalendarCountAllResponseDTO]> = try await NetworkService.shared.request(endpoint: WeeklyEndpoint.getAllStudyRecords)
+                    let response: BaseResponse<[CalendarCountAllResponseDTO]> = try await NetworkService.shared.request(endpoint: WeeklyEndpoint.getAllStudyRecords)                    
                     promise(.success(response.data.map { $0.toEntity() }))
                     
                 } catch let error as NetworkError {
diff --git a/HongikYeolgong2/Domain/Interactors/StudySessionInteractor.swift b/HongikYeolgong2/Domain/Interactors/StudySessionInteractor.swift
index b44c34c..19f07cd 100644
--- a/HongikYeolgong2/Domain/Interactors/StudySessionInteractor.swift
+++ b/HongikYeolgong2/Domain/Interactors/StudySessionInteractor.swift
@@ -24,7 +24,7 @@ final class StudySessionInteractorImpl: StudySessionInteractor {
     private let cancleBag = CancelBag()
     private let studySessionRepository: StudySessionRepository
     private let timer = Timer.publish(every: 1.0, on: .main, in: .common).autoconnect()
-    private let addedTime: TimeInterval = .init(hours: 6)
+    private let addedTime: TimeInterval = .init(hours: 4)
     
     private var lastTime: Date?
     private var subscription: AnyCancellable?
diff --git a/HongikYeolgong2/Domain/Mapper/CalendarMapper.swift b/HongikYeolgong2/Domain/Mapper/CalendarMapper.swift
index f8ccc2a..5f3ac21 100644
--- a/HongikYeolgong2/Domain/Mapper/CalendarMapper.swift
+++ b/HongikYeolgong2/Domain/Mapper/CalendarMapper.swift
@@ -3,6 +3,10 @@ import Foundation
 
 extension CalendarCountAllResponseDTO {
     func toEntity() -> AllStudyRecord {
-        .init(day: date.toDayofDate(), month: date.toMonthofDate(), year: date.toYearofDate(), date: date.toDate() ?? Date.now, studyCount: studyCount)
+        .init(day: date.toDayofDate(), 
+              month: date.toMonthofDate(),
+              year: date.toYearofDate(),
+              date: date.toDate() ?? Date.now,
+              studyCount: studyCount)
     }
 }
diff --git a/HongikYeolgong2/Domain/Mapper/StudySessionMapper.swift b/HongikYeolgong2/Domain/Mapper/StudySessionMapper.swift
index 66daa22..9304ac4 100644
--- a/HongikYeolgong2/Domain/Mapper/StudySessionMapper.swift
+++ b/HongikYeolgong2/Domain/Mapper/StudySessionMapper.swift
@@ -12,6 +12,6 @@ extension WeeklyStudySessionDTO {
     func toEntity() -> WeeklyStudyRecord {
         .init(monthOfDay: date,              
               studyCount: studyCount,
-              isUpcomming: date.toDate() ?? .now <= .now)
+              isUpcomming: date.toDateFromMonthDay() ?? .now <= .now)
     }
 }
diff --git a/HongikYeolgong2/Presentation/Record/Component/CalendarView.swift b/HongikYeolgong2/Presentation/Record/Component/CalendarView.swift
index 78f2df2..50c9fd6 100644
--- a/HongikYeolgong2/Presentation/Record/Component/CalendarView.swift
+++ b/HongikYeolgong2/Presentation/Record/Component/CalendarView.swift
@@ -92,7 +92,7 @@ struct CaledarView: View {
             Spacer()
         }
         .onAppear {
-            calendarDataInteractor.getAllStudy(studyRecords: $AllStudy)
+            calendarDataInteractor.getAllStudy(studyRecords: $AllStudy)            
             currentMonth = makeMonth(date: seletedDate, roomUsageInfo: AllStudy)
         }
         .onChange(of: AllStudy) { newAllStudy in
@@ -199,7 +199,5 @@ extension CaledarView {
         
         currentMonth = makeMonth(date: seletedDate, roomUsageInfo: AllStudy)
     }
-
 }
 
-
diff --git a/HongikYeolgong2/Util/Extensions/String+.swift b/HongikYeolgong2/Util/Extensions/String+.swift
index 3fb1380..8847f62 100644
--- a/HongikYeolgong2/Util/Extensions/String+.swift
+++ b/HongikYeolgong2/Util/Extensions/String+.swift
@@ -11,16 +11,24 @@ extension String {
     }()
     
     /// 문자열 형식의 날짜를 Date 객체로 변환합니다.
-    /// - Returns: Date
-    func toDate() -> Date? {
-        let dateFormatter = Self.dateFormatter
+       /// - Returns: Date
+       func toDate() -> Date? {
+           let dateFormatter = Self.dateFormatter
+           guard let date = dateFormatter.date(from: self) else {
+               return nil
+           }
+           return date
+       }
+    
+    func toDateFromMonthDay() -> Date? {
+        let dateFormatter = DateFormatter()
         let currentYear = Calendar.current.component(.year, from: Date())
-                
+        
         dateFormatter.dateFormat = "M/dd"
         guard let date = dateFormatter.date(from: self) else {
             return nil
         }
-                
+        
         var components = Calendar.current.dateComponents([.year, .month, .day], from: date)
         components.year = currentYear
         
@@ -60,3 +68,5 @@ extension String {
         return "\(year)"
     }
 }
+
+