diff --git a/src/main/java/com/moabam/api/application/room/CertificationService.java b/src/main/java/com/moabam/api/application/room/CertificationService.java
index 3a679550..e6a56ab3 100644
--- a/src/main/java/com/moabam/api/application/room/CertificationService.java
+++ b/src/main/java/com/moabam/api/application/room/CertificationService.java
@@ -1,5 +1,6 @@
 package com.moabam.api.application.room;
 
+import static com.moabam.global.common.util.GlobalConstant.*;
 import static com.moabam.global.error.model.ErrorMessage.*;
 
 import java.time.LocalDate;
@@ -109,8 +110,13 @@ public Certification findCertification(Long certificationId) {
 
 	private void validateCertifyTime(LocalDateTime now, int certifyTime) {
 		LocalTime targetTime = LocalTime.of(certifyTime, 0);
-		LocalDateTime minusTenMinutes = LocalDateTime.of(now.toLocalDate(), targetTime).minusMinutes(10);
-		LocalDateTime plusTenMinutes = LocalDateTime.of(now.toLocalDate(), targetTime).plusMinutes(10);
+		LocalDateTime targetDateTime = LocalDateTime.of(now.toLocalDate(), targetTime);
+		if (certifyTime == MIDNIGHT_HOUR) {
+			targetDateTime = targetDateTime.plusDays(1);
+		}
+
+		LocalDateTime minusTenMinutes = targetDateTime.minusMinutes(10);
+		LocalDateTime plusTenMinutes = targetDateTime.plusMinutes(10);
 
 		if (now.isBefore(minusTenMinutes) || now.isAfter(plusTenMinutes)) {
 			throw new BadRequestException(INVALID_CERTIFY_TIME);
diff --git a/src/main/java/com/moabam/global/common/util/GlobalConstant.java b/src/main/java/com/moabam/global/common/util/GlobalConstant.java
index a9f79ff3..259c3d13 100644
--- a/src/main/java/com/moabam/global/common/util/GlobalConstant.java
+++ b/src/main/java/com/moabam/global/common/util/GlobalConstant.java
@@ -12,6 +12,7 @@ public class GlobalConstant {
 	public static final String DELIMITER = "/";
 	public static final String CHARSET_UTF_8 = ";charset=UTF-8";
 	public static final String SPACE = " ";
+	public static final int MIDNIGHT_HOUR = 0;
 	public static final int ONE_HOUR = 1;
 	public static final int HOURS_IN_A_DAY = 24;
 	public static final int NOT_COMPLETED_RANK = 500;
diff --git a/src/test/java/com/moabam/api/presentation/RoomControllerTest.java b/src/test/java/com/moabam/api/presentation/RoomControllerTest.java
index a1c850e7..765d6f38 100644
--- a/src/test/java/com/moabam/api/presentation/RoomControllerTest.java
+++ b/src/test/java/com/moabam/api/presentation/RoomControllerTest.java
@@ -850,7 +850,7 @@ void get_room_details_test() throws Exception {
 		dailyRoomCertificationRepository.save(dailyRoomCertification);
 
 		DailyRoomCertification dailyRoomCertification1 = RoomFixture.dailyRoomCertification(room.getId(),
-			LocalDate.of(LocalDate.now().getYear(), LocalDate.now().getMonth(), LocalDate.now().getDayOfMonth() - 3));
+			LocalDate.now().minusDays(3));
 		dailyRoomCertificationRepository.save(dailyRoomCertification1);
 
 		// expected