diff --git a/src/common/formattedDate.js b/src/common/formattedDate.js
new file mode 100644
index 0000000..01956d6
--- /dev/null
+++ b/src/common/formattedDate.js
@@ -0,0 +1,13 @@
+/** 날짜 포맷1 (YYYY-MM-DD HH:MM) */
+export const formattedDate = (dateString) => {
+    if (!dateString) return "날짜 없음";
+    const dateObj = new Date(dateString);
+    return `${dateObj.getFullYear()}-${String(dateObj.getMonth() + 1).padStart(2, '0')}-${String(dateObj.getDate()).padStart(2, '0')} ${String(dateObj.getHours()).padStart(2, '0')}:${String(dateObj.getMinutes()).padStart(2, '0')}`;
+};
+
+/** 날짜 포맷2 (YYYY-MM-DD) */
+export const formatDate = (dateString) => {
+    if (!dateString) return "날짜 없음";
+    const dateObj = new Date(dateString);
+    return `${dateObj.getFullYear()}-${String(dateObj.getMonth() + 1).padStart(2, '0')}-${String(dateObj.getDate()).padStart(2, '0')}`;
+};
diff --git a/src/components/modal/VacationModal.vue b/src/components/modal/VacationModal.vue
index c8e22f2..d57e482 100644
--- a/src/components/modal/VacationModal.vue
+++ b/src/components/modal/VacationModal.vue
@@ -41,6 +41,7 @@
 
 <script setup>
 import { defineProps, defineEmits, computed } from "vue";
+import { formatDate } from '@/common/formattedDate.js';
 
 const props = defineProps({
   isOpen: Boolean,
@@ -130,14 +131,6 @@ const mergedVacations = computed(() => {
   return all;
 });
 
-/** 날짜 포맷 (YYYY-MM-DD) */
-const formatDate = (dateString) => {
-  if (!dateString) return "";
-  // 만약 dateString이 "YYYY-MM-DD" 형식이라면 그대로 반환
-  // 혹은 "YYYY-MM-DD..." 라면 앞 10자만 잘라 반환
-  return dateString.substring(0, 10);
-};
-
 
 /** 모달 닫기 */
 const closeModal = () => {
diff --git a/src/components/vacation/ProfileList.vue b/src/components/vacation/ProfileList.vue
index fb483c4..9e06036 100644
--- a/src/components/vacation/ProfileList.vue
+++ b/src/components/vacation/ProfileList.vue
@@ -1,5 +1,5 @@
 <template>
-    <div class="card-body d-flex justify-content-center">
+    <div class="card-body d-flex justify-content-center m-n5">
       <ul class="list-unstyled d-flex flex-wrap align-items-center gap-2 mb-0 mt-2">
         <li
           v-for="(user, index) in sortedUserList"
diff --git a/src/views/vacation/VacationManagement.vue b/src/views/vacation/VacationManagement.vue
index 5124a05..004c2a0 100644
--- a/src/views/vacation/VacationManagement.vue
+++ b/src/views/vacation/VacationManagement.vue
@@ -5,12 +5,16 @@
           <!-- Sidebar: 사이드바 영역 -->
           <div class="col-3 app-calendar-sidebar border-end" id="app-calendar-sidebar">
             <div class="sidebar-content">
-              <!-- 사원 프로필 리스트 -->
+              <div class="sidebar-actions text-center my-3">
+                <HalfDayButtons
+                  @toggleHalfDay="toggleHalfDay"
+                  @addVacationRequests="saveVacationChanges"
+                />
+              </div>
               <ProfileList
                 @profileClick="handleProfileClick"
                 :remainingVacationData="remainingVacationData"
               />
-              <!-- 모달들은 화면 오버레이로 동작하므로 사이드바 내부에 두어도 무방 -->
               <VacationModal
                 v-if="isModalOpen"
                 :isOpen="isModalOpen"
@@ -28,24 +32,23 @@
                 @updateVacation="fetchRemainingVacation"
               />
             </div>
-            <div class="sidebar-actions text-center my-3">
-              <!-- 액션 버튼 -->
-              <HalfDayButtons
-                @toggleHalfDay="toggleHalfDay"
-                @addVacationRequests="saveVacationChanges"
-              />
-            </div>
           </div>
 
           <!-- Main Content: 캘린더 영역 -->
           <div class="col app-calendar-content">
             <div class="card shadow-none border-0">
-              <div class="card-body pb-0">
+              <div class="card-body pb-0" style="position: relative;">
                 <full-calendar
                   ref="fullCalendarRef"
                   :options="calendarOptions"
                   class="flatpickr-calendar-only"
                 />
+                <!-- 숨겨진 데이트피커 인풋 -->
+                <input
+                  ref="calendarDatepicker"
+                  type="text"
+                  style="display: none; position: absolute;"
+                />
               </div>
             </div>
           </div>
@@ -60,7 +63,12 @@
   import FullCalendar from "@fullcalendar/vue3";
   import dayGridPlugin from "@fullcalendar/daygrid";
   import interactionPlugin from "@fullcalendar/interaction";
+  // Flatpickr 및 MonthSelect 플러그인 임포트
+  import flatpickr from "flatpickr";
+  import monthSelectPlugin from "flatpickr/dist/plugins/monthSelect/index";
   import "flatpickr/dist/flatpickr.min.css";
+  import "flatpickr/dist/plugins/monthSelect/style.css";
+
   import "@/assets/css/app-calendar.css";
   import "bootstrap-icons/font/bootstrap-icons.css";
   import HalfDayButtons from "@c/button/HalfDayButtons.vue";
@@ -75,11 +83,11 @@
   const userListStore = useUserStore();
   const userList = ref([]);
   const userColors = ref({});
-  const myVacations = ref([]); // 전체 "사용한 연차" 목록 (로그인한 사원의 휴가만)
-  const receivedVacations = ref([]); // 전체 "받은 연차" 목록
+  const myVacations = ref([]); // 로그인한 사원의 휴가
+  const receivedVacations = ref([]);
   const isModalOpen = ref(false);
   const remainingVacationData = ref({});
-  const modalYear  = ref(new Date().getFullYear());
+
   const lastRemainingYear = ref(new Date().getFullYear());
   const lastRemainingMonth = ref(String(new Date().getMonth() + 1).padStart(2, "0"));
   const isGrantModalOpen = ref(false);
@@ -94,8 +102,9 @@
   const holidayDates = ref(new Set());
   const fetchedEvents = ref([]);
 
-  // 추가: 토글 상태 변수 (필요 시 사용 가능)
-  const toggledDates = ref(new Set());
+  // 데이트피커 인풋 ref
+  const calendarDatepicker = ref(null);
+  let fpInstance = null;
 
   const calendarOptions = reactive({
     plugins: [dayGridPlugin, interactionPlugin],
@@ -115,9 +124,42 @@
   onMounted(async () => {
     await userStore.userInfo();
     await fetchRemainingVacation();
-    // 초기 vacation history도 가져오기
     const currentYear = new Date().getFullYear();
     await fetchVacationHistory(currentYear);
+
+    // Flatpickr 초기화 (달 선택 모드)
+    fpInstance = flatpickr(calendarDatepicker.value, {
+      dateFormat: "Y-m",
+      plugins: [
+        new monthSelectPlugin({
+          shorthand: true,
+          dateFormat: "Y-m",
+          altFormat: "F Y"
+        })
+      ],
+      onChange: function(selectedDatesArr, dateStr) {
+        // 선택한 달의 첫날로 달력을 이동
+        fullCalendarRef.value.getApi().gotoDate(dateStr + "-01");
+        const [year, month] = dateStr.split("-");
+        lastRemainingYear.value = parseInt(year, 10);
+        lastRemainingMonth.value = month;
+        loadCalendarData(lastRemainingYear.value, lastRemainingMonth.value);
+      },
+      onClose: function() {
+        calendarDatepicker.value.style.display = "none";
+      }
+    });
+
+    // FullCalendar 헤더 제목(.fc-toolbar-title) 클릭 시 데이트피커 열기
+    nextTick(() => {
+      const titleEl = document.querySelector('.fc-toolbar-title');
+      if (titleEl) {
+        titleEl.style.cursor = 'pointer';
+        titleEl.addEventListener('click', () => {
+          fpInstance.open();
+        });
+      }
+    });
   });
 
   // 연차 내역 API (초기 호출용)
@@ -137,7 +179,6 @@
     }
   }
 
-  // lastRemainingYear 값이 변경될 때마다 해당 연도의 연차 내역 재조회
   watch(lastRemainingYear, async (newYear, oldYear) => {
     await fetchVacationHistory(newYear);
   });
@@ -156,27 +197,18 @@
     }
   };
 
-  // 프로필 클릭 시 연차 내역 가져오기
   const handleProfileClick = async (user) => {
     try {
-      if (isModalOpen.value) {
-        isModalOpen.value = false;
-        return;
-      }
-      if (isGrantModalOpen.value) {
-        isGrantModalOpen.value = false;
-        return;
-      }
+      // 열린 모달이 있으면 모두 닫음 후 새 모달 열기
+      isModalOpen.value = false;
+      isGrantModalOpen.value = false;
       if (user.MEMBERSEQ === userStore.user.id) {
-        const year = new Date().getFullYear();
-        await fetchVacationHistory(year);
+        const displayedYear = lastRemainingYear.value;
+        await fetchVacationHistory(displayedYear);
         isModalOpen.value = true;
-        lastRemainingYear.value = year;
-        isGrantModalOpen.value = false;
       } else {
         selectedUser.value = user;
         isGrantModalOpen.value = true;
-        isModalOpen.value = false;
       }
     } catch (error) {
       console.error("🚨 연차 데이터 불러오기 실패:", error);
@@ -220,29 +252,23 @@
     return vacationCodeMap.value[typeCode] || "기타";
   };
 
-  // computed: lastRemainingYear과 일치하는 항목만 필터링
   const filteredMyVacations = computed(() => {
-    const filtered = myVacations.value.filter(vac => {
-      const dateStr = vac.date || vac.LOCVACUDT;
+    return myVacations.value.filter(vac => {
+      const dateStr = vac.date;
       const year = dateStr ? dateStr.split("T")[0].substring(0, 4) : null;
-      console.log("vacation year:", year, "lastRemainingYear:", lastRemainingYear.value);
       return year === String(lastRemainingYear.value);
     });
-    console.log("filteredMyVacations:", filtered);
-    return filtered;
   });
 
   const filteredReceivedVacations = computed(() => {
     return receivedVacations.value.filter(vac => {
-      const dateStr = vac.date || vac.LOCVACUDT;
+      const dateStr = vac.date;
       const year = dateStr ? dateStr.split("T")[0].substring(0, 4) : null;
-      console.log("vacation year:", year, "lastRemainingYear:", lastRemainingYear.value);
       return dateStr && year === String(lastRemainingYear.value);
     });
   });
 
   function updateCalendarEvents() {
-    // selectedDates에서 "delete"가 아닌 경우에 대해 이벤트 생성
     const selectedEvents = Array.from(selectedDates.value)
       .filter(([date, type]) => type !== "delete")
       .map(([date, type]) => ({
@@ -254,8 +280,6 @@
         classNames: [getVacationTypeClass(type), "selected-event"]
       }));
 
-    // fetchedEvents에서, 만약 해당 날짜가 "delete" 상태라면
-    // 로그인한 사용자의(내) 이벤트만 제거하고, 다른 사용자의 이벤트는 그대로 둠.
     const filteredFetchedEvents = fetchedEvents.value.filter(event => {
       if (event.saved && selectedDates.value.get(event.start) === "delete") {
         if (event.memberSeq === userStore.user.id) {
@@ -287,15 +311,12 @@
     ) {
       return;
     }
-    // 내 휴가 여부: LOCVACUDT의 앞 10자가 clickedDateStr과 같고, LOCVACRMM가 없거나 빈 문자열인 경우
     const isMyVacation = myVacations.value.some(vac => {
       const vacDate = vac.date ? String(vac.date).substring(0, 10) : "";
-      return vacDate === clickedDateStr &&
-             (!vac.LOCVACRMM || String(vac.LOCVACRMM).trim() === "");
+      return vacDate === clickedDateStr && !vac.receiverId;
     });
 
     if (isMyVacation) {
-      // 내 휴가인 경우: selectedDates에 "delete" 상태를 토글 (내 이벤트만 영향을 줌)
       if (selectedDates.value.get(clickedDateStr) === "delete") {
         selectedDates.value.delete(clickedDateStr);
       } else {
@@ -305,9 +326,7 @@
       return;
     }
 
-    // 내 휴가가 없는 날짜: 일반 선택/토글 처리
     if (selectedDates.value.has(clickedDateStr)) {
-      console.log("일반 날짜 토글 off: 기존 선택 해제");
       selectedDates.value.delete(clickedDateStr);
       updateCalendarEvents();
       return;
@@ -315,7 +334,6 @@
     const type = halfDayType.value
       ? (halfDayType.value === "AM" ? "700101" : "700102")
       : "700103";
-    console.log("일반 날짜 토글 on: 선택 및 타입", type);
     selectedDates.value.set(clickedDateStr, type);
     halfDayType.value = null;
     updateCalendarEvents();
@@ -331,7 +349,6 @@
       if (response.status === 200) {
         const vacationList = response.data;
         if (lastRemainingYear.value !== year) {
-          // 로그인한 사원의 휴가만 저장
           myVacations.value = vacationList.filter(
             (vac) => vac.MEMBERSEQ === userStore.user.id
           );
@@ -348,7 +365,7 @@
               backgroundColor,
               classNames: [getVacationTypeClass(vac.LOCVACTYP)],
               saved: true,
-              memberSeq: vac.MEMBERSEQ,  // 이벤트 소유자 정보
+              memberSeq: vac.MEMBERSEQ,
             };
           })
           .filter((event) => event.start);
@@ -368,18 +385,18 @@
     const vacationsToAdd = selectedDatesArray
       .filter(([date, type]) => type !== "delete")
       .filter(([date, type]) =>
-        !myVacations.value.some(vac => vac.LOCVACUDT && vac.LOCVACUDT.startsWith(date)) ||
-        myVacations.value.some(vac => vac.LOCVACUDT && vac.LOCVACUDT.startsWith(date) && vac.LOCVACRMM)
+        !myVacations.value.some(vac => vac.date && vac.date.startsWith(date)) ||
+        myVacations.value.some(vac => vac.date && vac.date.startsWith(date) && vac.receiverId)
       )
       .map(([date, type]) => ({ date, type }));
     const vacationsToDelete = myVacations.value
       .filter(vac => {
-        if (!vac.LOCVACUDT) return false;
-        const date = vac.LOCVACUDT.split("T")[0];
-        return selectedDates.value.get(date) === "delete" && !vac.LOCVACRMM;
+        if (!vac.date) return false;
+        const date = vac.date.split("T")[0];
+        return selectedDates.value.get(date) === "delete" && !vac.receiverId;
       })
       .map(vac => {
-        const id = vac.LOCVACSEQ;
+        const id = vac.id;
         return typeof id === "number" ? Number(id) : id;
       });
     try {
@@ -390,6 +407,9 @@
       if (response.data && response.data.status === "OK") {
         alert("✅ 휴가 변경 사항이 저장되었습니다.");
         await fetchRemainingVacation();
+        if (isModalOpen.value) {
+          await fetchVacationHistory(lastRemainingYear.value);
+        }
         const currentDate = fullCalendarRef.value.getApi().getDate();
         await loadCalendarData(currentDate.getFullYear(), currentDate.getMonth() + 1);
         selectedDates.value.clear();
@@ -440,5 +460,10 @@
   </script>
 
   <style>
-  /* 스타일 정의 */
+  /* 기본 스타일은 그대로 두고, 데이트피커 인풋의 추가 스타일 정의 */
+  .fc-toolbar-title {
+    cursor: pointer;
+  }
+
+  /* 데이트피커 인풋은 Flatpickr에서 동적으로 스타일 적용됨 */
   </style>