diff --git a/src/main/java/com/asap/server/service/UserService.java b/src/main/java/com/asap/server/service/UserService.java
index 0d97f1df..a58c4623 100644
--- a/src/main/java/com/asap/server/service/UserService.java
+++ b/src/main/java/com/asap/server/service/UserService.java
@@ -191,7 +191,7 @@ public List<BestMeetingTimeWithUsersVo> getBestMeetingInUsers(List<BestMeetingTi
 
     private BestMeetingTimeWithUsersVo getBestMeetingTimeInUsers(final BestMeetingTimeVo bestMeetingTime) {
         if (bestMeetingTime == null) return null;
-        List<TimeSlot> timeSlots = TimeSlot.getTimeSlots(bestMeetingTime.startTime().ordinal(), bestMeetingTime.endTime().ordinal());
+        List<TimeSlot> timeSlots = TimeSlot.getTimeSlots(bestMeetingTime.startTime().ordinal(), bestMeetingTime.endTime().ordinal() - 1);
         List<UserVo> users = userRepository.findByAvailableDateAndTimeSlots(bestMeetingTime.availableDateId(), timeSlots);
         return BestMeetingTimeWithUsersVo.of(bestMeetingTime, users);
     }