버그 수정

frontend/src/components/event/EventDialog.vue

@@ -99,6 +99,7 @@
 
 <script setup>
 import { ref, watch, toRefs, computed } from 'vue';
+import dayjs from 'dayjs';
 
 const statusOptions = [
   { name: '준비', value: '준비' },
@@ -145,9 +146,7 @@ const eventModel = ref({ ...props.event });
 // 날짜 형식 변환
 const formatDate = (date) => {
   if (!date) return null;
-  const d = new Date(date);
-  d.setHours(d.getHours() + 9); // UTC to KST
-  return d;
+  return dayjs(date).toDate();
 };
 
 // props 변경 시 이벤트 모델 업데이트
@@ -161,23 +160,17 @@ watch(() => props.event, (newValue) => {
   eventModel.value = formattedEvent;
 }, { deep: true });
 
-// 이벤트 저장 시 UTC로 변환
+// 이벤트 저장
 const saveEvent = () => {
   const eventData = { ...eventModel.value };
   if (eventData.startDate) {
-    const d = new Date(eventData.startDate);
-    d.setHours(d.getHours() - 9); // KST to UTC
-    eventData.startDate = d;
+    eventData.startDate = dayjs(eventData.startDate).toDate();
   }
   if (eventData.endDate) {
-    const d = new Date(eventData.endDate);
-    d.setHours(d.getHours() - 9); // KST to UTC
-    eventData.endDate = d;
+    eventData.endDate = dayjs(eventData.endDate).toDate();
   }
   if (eventData.registrationDeadline) {
-    const d = new Date(eventData.registrationDeadline);
-    d.setHours(d.getHours() - 9); // KST to UTC
-    eventData.registrationDeadline = d;
+    eventData.registrationDeadline = dayjs(eventData.registrationDeadline).toDate();
   }
   emit('save', eventData);
 };

frontend/src/components/event/ParticipantManagement.vue

@@ -114,7 +114,7 @@
 </template>
 
 <script setup>
-import { ref, computed, onMounted, defineEmits } from 'vue';
+import { ref, computed, onMounted } from 'vue';
 import { useToast } from 'primevue/usetoast';
 import eventService from '@/services/eventService';
 import dayjs from 'dayjs';