diff --git a/components/molecules/cards/ProfileCommentCard.tsx b/components/molecules/cards/ProfileCommentCard.tsx
index 3add80b86..506ee4811 100644
--- a/components/molecules/cards/ProfileCommentCard.tsx
+++ b/components/molecules/cards/ProfileCommentCard.tsx
@@ -1,3 +1,6 @@
+import { Flex } from "@chakra-ui/react";
+import { faPenToSquare } from "@fortawesome/pro-regular-svg-icons";
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
 import styled from "styled-components";
 
 import { IUserSummary } from "../../../types/models/userTypes/userInfoTypes";
@@ -8,9 +11,15 @@ export interface IProfileCommentCard {
   user: IUserSummary;
   comment?: string;
   rightComponent?: React.ReactNode;
+  setMemo?: () => void;
 }
 
-export default function ProfileCommentCard({ user, comment, rightComponent }: IProfileCommentCard) {
+export default function ProfileCommentCard({
+  user,
+  comment,
+  rightComponent,
+  setMemo,
+}: IProfileCommentCard) {
   return (
     <CardContainer>
       <Avatar image={user.profileImage} size="md" avatar={user.avatar} uid={user.uid} />
@@ -19,13 +28,27 @@ export default function ProfileCommentCard({ user, comment, rightComponent }: IP
           <span>{user.name}</span>
           <UserBadge score={user.score} uid={user.uid} />
         </UserNameBadgeContainer>
-        <CommentText>{comment !== null ? comment : user.comment}</CommentText>
+        <Flex alignItems="center">
+          <CommentText>{comment !== null ? comment : user.comment}</CommentText>
+          {setMemo && (
+            <Button onClick={setMemo}>
+              <FontAwesomeIcon icon={faPenToSquare} size="sm" />
+            </Button>
+          )}
+        </Flex>
       </UserInfoContainer>
       <RightComponentContainer>{rightComponent}</RightComponentContainer>
     </CardContainer>
   );
 }
 
+const Button = styled.button`
+  display: inline-block;
+  margin-left: 4px;
+  padding: 0 4px;
+  color: var(--gray-3);
+`;
+
 const CardContainer = styled.div`
   display: flex;
   align-items: center;
diff --git a/components/organisms/ProfileCardColumn.tsx b/components/organisms/ProfileCardColumn.tsx
index 34d6064ce..44509e381 100644
--- a/components/organisms/ProfileCardColumn.tsx
+++ b/components/organisms/ProfileCardColumn.tsx
@@ -12,6 +12,7 @@ export default function ProfileCardColumn({ userCardArr }: IProfileCardColumn) {
           key={idx}
           user={userCard.user}
           comment={userCard?.comment}
+          setMemo={userCard?.setMemo}
           rightComponent={userCard?.rightComponent}
         />
       ))}
diff --git a/hooks/study/mutations.ts b/hooks/study/mutations.ts
index b8bf02f53..cab519916 100644
--- a/hooks/study/mutations.ts
+++ b/hooks/study/mutations.ts
@@ -67,12 +67,12 @@ export const useStudyOpenFreeMutation = (date: string, options?: MutationOptions
     options,
   );
 
-export const useStudyAttendCheckMutation = (date: Dayjs, options?: MutationOptions<string>) =>
+export const useStudyAttendCheckMutation = (date: string, options?: MutationOptions<string>) =>
   useMutation<void, AxiosError, string>(
     (memo) =>
       requestServer<{ memo: string }>({
         method: "patch",
-        url: `vote/${dayjsToStr(date)}/arrived`,
+        url: `vote/${date}/arrived`,
         body: { memo },
       }),
     options,
diff --git a/libs/study/date/getStudyDateStatus.ts b/libs/study/date/getStudyDateStatus.ts
index 8a39f49ae..63d0d0e46 100644
--- a/libs/study/date/getStudyDateStatus.ts
+++ b/libs/study/date/getStudyDateStatus.ts
@@ -1,7 +1,7 @@
 import dayjs from "dayjs";
 
 import { STUDY_RESULT_HOUR } from "../../../constants/serviceConstants/studyConstants/studyTimeConstant";
-import { getHour, getToday } from "../../../utils/dateTimeUtils";
+import { dayjsToStr, getHour, getToday } from "../../../utils/dateTimeUtils";
 
 /**
  * today는 결과 발표난 이후부터 시간, 오늘의 스터디
@@ -16,6 +16,12 @@ export const getStudyDateStatus = (date: string) => {
     (currentDate.isSame(selectedDate) && currentHours < STUDY_RESULT_HOUR);
 
   if (isTodayCondition) return "today";
-  if (selectedDate.isBefore(currentDate)) return "passed";
+  if (
+    (dayjsToStr(selectedDate) === dayjsToStr(currentDate) && currentHours >= STUDY_RESULT_HOUR) ||
+    selectedDate.isBefore(currentDate)
+  ) {
+    return "passed";
+  }
+
   return "not passed";
 };
diff --git a/modals/Modals.tsx b/modals/Modals.tsx
index be896ad47..5a0afee06 100644
--- a/modals/Modals.tsx
+++ b/modals/Modals.tsx
@@ -24,6 +24,7 @@ export interface IFooterOptions {
     text?: string;
     func?: () => void;
     isRedTheme?: boolean;
+    isLoading?: boolean;
   };
   sub?: {
     text?: string;
@@ -125,6 +126,7 @@ export function ModalLayout({
                   colorScheme={main?.isRedTheme ? "redTheme" : "mintTheme"}
                   w="100%"
                   onClick={func}
+                  isLoading={main?.isLoading}
                 >
                   {text}
                 </Button>
diff --git a/modals/study/StudyAttendCheckModal.tsx b/modals/study/StudyAttendCheckModal.tsx
index d529e703c..00f9e39bf 100644
--- a/modals/study/StudyAttendCheckModal.tsx
+++ b/modals/study/StudyAttendCheckModal.tsx
@@ -29,7 +29,6 @@ import { ModalSubtitle } from "../../styles/layout/modal";
 import { IModal } from "../../types/components/modalTypes";
 import { LocationEn } from "../../types/services/locationTypes";
 import { convertLocationLangTo } from "../../utils/convertUtils/convertDatas";
-import { now } from "../../utils/dateTimeUtils";
 import { IFooterOptions, ModalLayout } from "../Modals";
 
 const LOCATE_GAP = 0.00008;
@@ -69,7 +68,7 @@ function StudyAttendCheckModal({ setIsModal }: IStudyAttendCheckModal) {
   const { mutate: getAlphabet } = useAlphabetMutation("get");
   const { mutate: getDeposit } = usePointSystemMutation("deposit");
 
-  const { mutate: handleArrived } = useStudyAttendCheckMutation(now().startOf("day"), {
+  const { mutate: handleArrived } = useStudyAttendCheckMutation(date, {
     onSuccess() {
       queryClient.invalidateQueries([STUDY_VOTE, date, location]);
       const alphabet = getRandomAlphabet(20);
diff --git a/modals/study/StudyChangeMemoModal.tsx b/modals/study/StudyChangeMemoModal.tsx
new file mode 100644
index 000000000..a79658e93
--- /dev/null
+++ b/modals/study/StudyChangeMemoModal.tsx
@@ -0,0 +1,43 @@
+import { useParams } from "next/navigation";
+import { useState } from "react";
+import { useQueryClient } from "react-query";
+
+import Textarea from "../../components/atoms/Textarea";
+import { STUDY_VOTE } from "../../constants/keys/queryKeys";
+import { PLACE_TO_LOCATION } from "../../constants/serviceConstants/studyConstants/studyLocationConstants";
+import { useStudyAttendCheckMutation } from "../../hooks/study/mutations";
+import { IModal } from "../../types/components/modalTypes";
+import { IFooterOptions, ModalLayout } from "../Modals";
+
+interface IStudyChangeMemoModal extends IModal {
+  hasModalMemo;
+}
+export default function StudyChangeMemoModal({ hasModalMemo, setIsModal }: IStudyChangeMemoModal) {
+  const { id, date } = useParams<{ id: string; date: string }>() || {};
+  const location = PLACE_TO_LOCATION[id];
+
+  const [value, setValue] = useState(hasModalMemo);
+
+  const queryClient = useQueryClient();
+
+  const { mutate: changeStudyMemo, isLoading } = useStudyAttendCheckMutation(date, {
+    onSuccess() {
+      queryClient.invalidateQueries([STUDY_VOTE, date, location]);
+      setIsModal(true);
+    },
+  });
+
+  const footerOptions: IFooterOptions = {
+    main: {
+      text: "변경",
+      func: () => changeStudyMemo(value),
+      isLoading,
+    },
+  };
+
+  return (
+    <ModalLayout title="출석 메모 변경" footerOptions={footerOptions} setIsModal={setIsModal}>
+      <Textarea value={value} onChange={(e) => setValue(e.target.value)} />
+    </ModalLayout>
+  );
+}
diff --git a/modals/study/StudyInviteModal.tsx b/modals/study/StudyInviteModal.tsx
index b3026eed7..780ae026d 100644
--- a/modals/study/StudyInviteModal.tsx
+++ b/modals/study/StudyInviteModal.tsx
@@ -1,10 +1,9 @@
-import { Button, ModalFooter } from "@chakra-ui/react";
-import { useRouter } from "next/router";
+import { Button } from "@chakra-ui/react";
 import { useSession } from "next-auth/react";
+import { useRouter } from "next/router";
 import { useEffect, useState } from "react";
 import styled from "styled-components";
 
-import { SQUARE_RANDOM_IMAGE } from "../../assets/images/imageUrl";
 import { WEB_URL } from "../../constants/system";
 import { ModalSubtitle } from "../../styles/layout/modal";
 import { IModal } from "../../types/components/modalTypes";
@@ -43,14 +42,14 @@ function StudyInviteModal({ setIsModal, place }: IStudyInviteModal) {
         content: {
           title: "같이 스터디 할래?",
           description: place?.fullname,
-          imageUrl: SQUARE_RANDOM_IMAGE[randomNum],
+          imageUrl: place.image,
           link: {
             mobileWebUrl: url,
             webUrl: url,
           },
         },
         address: location,
-        // addressTitle: "카카오 본사",
+
         buttons: [
           {
             title: "웹으로 이동",
@@ -68,30 +67,28 @@ function StudyInviteModal({ setIsModal, place }: IStudyInviteModal) {
 
   const footerOptions: IFooterOptions = {
     children: (
-      <ModalFooter p="20px" display="flex" justifyContent="space-between">
-        <ButtonLayout>
-          <Button
-            bg="white"
-            h="100%"
-            border="1.2px solid var(--color-mint)"
-            color="var(--color-mint)"
-            fontSize="16px"
-            onClick={() => setIsModal(false)}
-          >
-            닫기
-          </Button>
-          <Button
-            bg="var(--color-mint)"
-            h="100%"
-            color="white"
-            fontSize="16px"
-            disabled={false}
-            id="kakao-share-button-invite"
-          >
-            친구초대
-          </Button>
-        </ButtonLayout>
-      </ModalFooter>
+      <ButtonLayout>
+        <Button
+          bg="white"
+          h="100%"
+          border="1.2px solid var(--color-mint)"
+          color="var(--color-mint)"
+          fontSize="16px"
+          onClick={() => setIsModal(false)}
+        >
+          닫기
+        </Button>
+        <Button
+          bg="var(--color-mint)"
+          h="100%"
+          color="white"
+          fontSize="16px"
+          disabled={false}
+          id="kakao-share-button-invite"
+        >
+          친구초대
+        </Button>
+      </ButtonLayout>
     ),
   };
 
diff --git a/pageTemplates/study/StudyDateBar.tsx b/pageTemplates/study/StudyDateBar.tsx
index d78b42108..d55ba914b 100644
--- a/pageTemplates/study/StudyDateBar.tsx
+++ b/pageTemplates/study/StudyDateBar.tsx
@@ -3,15 +3,20 @@ import { faPlus } from "@fortawesome/pro-solid-svg-icons";
 import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
 import dayjs from "dayjs";
 import { useParams } from "next/navigation";
+import { useState } from "react";
 import styled from "styled-components";
+import StudyInviteModal from "../../modals/study/StudyInviteModal";
+import { IPlace } from "../../types/models/studyTypes/studyDetails";
 
 import { dayjsToFormat } from "../../utils/dateTimeUtils";
 
 interface IStudyDateBar {
   isPrivateStudy: boolean;
+  place: IPlace;
 }
-function StudyDateBar({ isPrivateStudy }: IStudyDateBar) {
+function StudyDateBar({ isPrivateStudy, place }: IStudyDateBar) {
   const { date } = useParams<{ date: string }>();
+  const [isInviteModal, setIsInviteModal] = useState(false);
 
   return (
     <>
@@ -27,11 +32,13 @@ function StudyDateBar({ isPrivateStudy }: IStudyDateBar) {
             rightIcon={<FontAwesomeIcon icon={faPlus} size="xs" />}
             padding="0 var(--gap-2)"
             borderColor="var(--gray-5)"
+            onClick={() => setIsInviteModal(true)}
           >
             친구초대
           </Button>
         )}
       </StudyDateBarContainer>
+      {isInviteModal && <StudyInviteModal setIsModal={setIsInviteModal} place={place} />}
     </>
   );
 }
diff --git a/pageTemplates/study/StudyParticipants.tsx b/pageTemplates/study/StudyParticipants.tsx
index 5a53c00e7..4b01420ce 100644
--- a/pageTemplates/study/StudyParticipants.tsx
+++ b/pageTemplates/study/StudyParticipants.tsx
@@ -1,6 +1,7 @@
 import { Box, Flex } from "@chakra-ui/react";
 import dayjs from "dayjs";
 import Image from "next/image";
+import { useSession } from "next-auth/react";
 import { useState } from "react";
 
 import Slide from "../../components/layouts/PageSlide";
@@ -8,6 +9,7 @@ import AttendanceBadge from "../../components/molecules/badge/AttendanceBadge";
 import { IProfileCommentCard } from "../../components/molecules/cards/ProfileCommentCard";
 import ProfileCardColumn from "../../components/organisms/ProfileCardColumn";
 import ImageZoomModal from "../../modals/ImageZoomModal";
+import StudyChangeMemoModal from "../../modals/study/StudyChangeMemoModal";
 import { IAttendance } from "../../types/models/studyTypes/studyDetails";
 import { IAbsence } from "../../types/models/studyTypes/studyInterActions";
 import { dayjsToFormat } from "../../utils/dateTimeUtils";
@@ -17,13 +19,20 @@ interface IStudyParticipants {
   absences: IAbsence[];
 }
 export default function StudyParticipants({ participants, absences }: IStudyParticipants) {
+  const { data: session } = useSession();
+
+  const [hasModalMemo, setHasModalMemo] = useState<string>();
   const [hasImageProps, setHasImageProps] = useState<{
     image: string;
     toUid: string;
   }>();
 
   const userCardArr: IProfileCommentCard[] = participants.map((par) => {
-    const obj = composeUserCardArr(par, absences);
+    const togglehasModalMemo =
+      par.user.uid === session?.user.uid && par.memo
+        ? (memo: string) => setHasModalMemo(memo)
+        : null;
+    const obj = composeUserCardArr(par, absences, togglehasModalMemo);
 
     const rightComponentProps = obj.rightComponentProps;
 
@@ -90,6 +99,12 @@ export default function StudyParticipants({ participants, absences }: IStudyPart
           setIsModal={() => setHasImageProps(null)}
         />
       )}
+      {hasModalMemo && (
+        <StudyChangeMemoModal
+          hasModalMemo={hasModalMemo}
+          setIsModal={() => setHasModalMemo(null)}
+        />
+      )}
     </>
   );
 }
@@ -101,15 +116,22 @@ interface IReturnProps extends Omit<IProfileCommentCard, "rightComponent"> {
   };
 }
 
-const composeUserCardArr = (participant: IAttendance, absences: IAbsence[]): IReturnProps => {
+const composeUserCardArr = (
+  participant: IAttendance,
+  absences: IAbsence[],
+  setHasModalMemo: (memo: string) => void,
+): IReturnProps => {
   const arrived = participant?.arrived
     ? dayjsToFormat(dayjs(participant.arrived).subtract(9, "hour"), "HH:mm")
     : null;
   const absent = absences.find((absence) => absence.user.uid === participant.user.uid);
+  const memo = participant.memo;
+  const user = participant.user;
 
   return {
-    user: participant.user,
-    comment: participant.memo || absent?.message || "",
+    user: user,
+    comment: memo || absent?.message || "",
+    setMemo: setHasModalMemo ? () => setHasModalMemo(memo) : null,
     rightComponentProps:
       arrived || absent
         ? {
diff --git a/pages/study/[id]/[date]/index.tsx b/pages/study/[id]/[date]/index.tsx
index 1e112a2bb..56f9cfbfa 100644
--- a/pages/study/[id]/[date]/index.tsx
+++ b/pages/study/[id]/[date]/index.tsx
@@ -1,5 +1,5 @@
-import { useParams } from "next/navigation";
 import { useSession } from "next-auth/react";
+import { useParams } from "next/navigation";
 import { useEffect } from "react";
 import { useRecoilState, useSetRecoilState } from "recoil";
 import styled from "styled-components";
@@ -78,7 +78,7 @@ export default function Page() {
                 <Divider />
               </>
             )}
-            <StudyDateBar isPrivateStudy={isPrivateStudy} />
+            <StudyDateBar isPrivateStudy={isPrivateStudy} place={place} />
             {!isPrivateStudy && (
               <StudyTimeBoard participants={attendances} studyStatus={study.status} />
             )}