diff --git a/frontend/src/pages/MoimModifyPage/MoimModifyPage.constant.ts b/frontend/src/pages/MoimModifyPage/MoimModifyPage.constant.ts
index 3ed20b63e..72c6749e0 100644
--- a/frontend/src/pages/MoimModifyPage/MoimModifyPage.constant.ts
+++ b/frontend/src/pages/MoimModifyPage/MoimModifyPage.constant.ts
@@ -14,7 +14,7 @@ interface LabeledInputInfo {
   type: string;
   placeholder: string;
   required: boolean;
-  validate?: (value: string) => boolean;
+  validate?: (value1: string, value2?: string) => boolean;
 }
 
 const MOIM_INPUT_INFOS: LabeledInputInfo[] = [
@@ -24,7 +24,7 @@ const MOIM_INPUT_INFOS: LabeledInputInfo[] = [
     type: 'text',
     placeholder: `${POLICES.minimumTitleLength}자 이상 ${POLICES.maximumTitleLength}자 이하로 입력해주세요`,
     required: true,
-    validate: validateTitle, // string 타입
+    validate: validateTitle,
   },
   {
     name: 'date',
@@ -32,7 +32,7 @@ const MOIM_INPUT_INFOS: LabeledInputInfo[] = [
     type: 'date',
     placeholder: '현재 시간 이후로 설정해주세요',
     required: false,
-    validate: validateDate, // string 타입
+    validate: validateDate,
   },
   {
     name: 'time',
@@ -40,7 +40,7 @@ const MOIM_INPUT_INFOS: LabeledInputInfo[] = [
     type: 'time',
     placeholder: '현재 시간 이후로 설정해주세요',
     required: false,
-    validate: validateTime, // string 타입
+    validate: validateTime,
   },
   {
     name: 'place',
diff --git a/frontend/src/pages/MoimModifyPage/MoimModifyPage.tsx b/frontend/src/pages/MoimModifyPage/MoimModifyPage.tsx
index b880e08d3..f6d32e31c 100644
--- a/frontend/src/pages/MoimModifyPage/MoimModifyPage.tsx
+++ b/frontend/src/pages/MoimModifyPage/MoimModifyPage.tsx
@@ -43,16 +43,35 @@ export default function MoimModifyPage() {
       </FormLayout.Header>
 
       <FormLayout.MainForm>
-        {MOIM_INPUT_INFOS.map((info) =>
-          info.type === 'textarea' ? (
-            <LabeledTextArea
-              {...info}
-              key={info.title}
-              onChange={handleTextAreaChange}
-              value={inputData[info.name]}
-              validateFun={info?.validate}
-            />
-          ) : (
+        {MOIM_INPUT_INFOS.map((info) => {
+          if (info.type === 'textarea') {
+            return (
+              <LabeledTextArea
+                {...info}
+                key={info.title}
+                onChange={handleTextAreaChange}
+                value={inputData[info.name]}
+                validateFun={info?.validate}
+              />
+            );
+          } else if (info.type === 'time') {
+            return (
+              <LabeledInput
+                {...info}
+                key={info.title}
+                type="time"
+                onChange={handleInputChange}
+                value={inputData[info.name]}
+                validateFun={(time: string) => {
+                  return info?.validate
+                    ? info.validate(time, inputData['date'])
+                    : true;
+                }}
+              />
+            );
+          }
+
+          return (
             <LabeledInput
               {...info}
               key={info.title}
@@ -60,8 +79,8 @@ export default function MoimModifyPage() {
               value={inputData[info.name]}
               validateFun={info?.validate}
             />
-          ),
-        )}
+          );
+        })}
       </FormLayout.MainForm>
 
       <FormLayout.BottomButtonWrapper>
diff --git a/frontend/src/pages/MoimModifyPage/MoimModifyPage.util.ts b/frontend/src/pages/MoimModifyPage/MoimModifyPage.util.ts
index 694859cc7..77359d7aa 100644
--- a/frontend/src/pages/MoimModifyPage/MoimModifyPage.util.ts
+++ b/frontend/src/pages/MoimModifyPage/MoimModifyPage.util.ts
@@ -13,7 +13,7 @@ export const validateDate = (date: string) => {
   return date >= nowDateYyyymmdd && POLICIES.yyyymmddDashRegex.test(date);
 };
 
-export const validateTime = (time: string) => {
+export const validateTime = (time: string, date?: string) => {
   if (time === '') {
     return true;
   }
@@ -21,18 +21,24 @@ export const validateTime = (time: string) => {
     return false;
   }
 
-  const now = new Date();
-  const [inputHour, inputMinute] = time.split(':').map(Number);
-  const inputTime = new Date(
-    now.getFullYear(),
-    now.getMonth(),
-    now.getDate(),
-    inputHour,
-    inputMinute,
-  );
+  console.log(date);
 
-  if (inputTime < now) {
-    return false;
+  if (date !== '') {
+    const dates = date?.split('-').map(Number);
+
+    const now = new Date();
+    const [inputHour, inputMinute] = time.split(':').map(Number);
+    const inputTime = new Date(
+      dates?.[0] ?? now.getFullYear(), // 년도
+      (dates?.[1] ?? now.getMonth() + 1) - 1, // 월
+      dates?.[2] ?? now.getDate(), // 일
+      inputHour,
+      inputMinute,
+    );
+
+    if (inputTime < now) {
+      return false;
+    }
   }
   return true;
 };
@@ -48,9 +54,9 @@ export const validatePlace = (place: string) => {
 };
 export const validateMaxPeople = (maxPeople: number | string) => {
   if (typeof maxPeople === 'string') {
-    maxPeople = Number(maxPeople); // string을 number로 변환
+    maxPeople = Number(maxPeople);
     if (isNaN(maxPeople)) {
-      return false; // 변환이 실패하면 false 반환
+      return false;
     }
   }