diff --git a/src/main/java/classfit/example/classfit/event/controller/EventController.java b/src/main/java/classfit/example/classfit/event/controller/EventController.java
index a0b88d0d..e381bda4 100644
--- a/src/main/java/classfit/example/classfit/event/controller/EventController.java
+++ b/src/main/java/classfit/example/classfit/event/controller/EventController.java
@@ -5,6 +5,7 @@
 import classfit.example.classfit.event.dto.request.EventModalRequest;
 import classfit.example.classfit.common.ApiResponse;
 import classfit.example.classfit.event.dto.request.EventCreateRequest;
+import classfit.example.classfit.event.dto.response.EventModalResponse;
 import classfit.example.classfit.event.dto.response.EventMontylyResponse;
 import classfit.example.classfit.event.dto.response.EventResponse;
 import classfit.example.classfit.event.service.EventService;
@@ -74,10 +75,10 @@ public ApiResponse<EventResponse> createModalEvent(
 
     @GetMapping("/modal/{eventId}")
     @Operation(summary = "모달 일정 상세 조회", description = "모달 일정을 상세조회하는 api 입니다.")
-    public ApiResponse<EventResponse> getEventDetails(
+    public ApiResponse<EventModalResponse> getEventDetails(
         @PathVariable Long eventId
     ) {
-        EventResponse event = eventService.getEvent(eventId);
+        EventModalResponse event = eventService.getEvent(eventId);
         return ApiResponse.success(event, 200, "SUCCESS");
     }
 
diff --git a/src/main/java/classfit/example/classfit/event/domain/Event.java b/src/main/java/classfit/example/classfit/event/domain/Event.java
index bd0f463f..8be84455 100644
--- a/src/main/java/classfit/example/classfit/event/domain/Event.java
+++ b/src/main/java/classfit/example/classfit/event/domain/Event.java
@@ -2,6 +2,7 @@
 
 import classfit.example.classfit.calendarCategory.domain.CalendarCategory;
 import classfit.example.classfit.common.domain.BaseEntity;
+import classfit.example.classfit.event.dto.response.EventModalResponse;
 import classfit.example.classfit.event.dto.response.EventResponse;
 import classfit.example.classfit.eventMember.domain.EventMember;
 import classfit.example.classfit.member.domain.Member;
@@ -140,4 +141,20 @@ public static EventResponse buildEventResponse(Event event) {
             event.getEndDate()
         );
     }
+
+    public static EventModalResponse buildModalEventResponse(Event event) {
+        Long categoryId = (event.getCategory() != null) ? event.getCategory().getId() : null;
+
+        return EventModalResponse.of(
+            event.getId(),
+            event.getName(),
+            event.getEventType(),
+            event.getStartDate(),
+            event.getEndDate(),
+            categoryId,
+            event.getEventRepeatType(),
+            event.getRepeatEndDate(),
+            event.isAllDay()
+        );
+    }
 }
diff --git a/src/main/java/classfit/example/classfit/event/dto/response/EventModalResponse.java b/src/main/java/classfit/example/classfit/event/dto/response/EventModalResponse.java
new file mode 100644
index 00000000..a406060f
--- /dev/null
+++ b/src/main/java/classfit/example/classfit/event/dto/response/EventModalResponse.java
@@ -0,0 +1,22 @@
+package classfit.example.classfit.event.dto.response;
+
+import classfit.example.classfit.event.domain.EventRepeatType;
+import classfit.example.classfit.event.domain.EventType;
+import java.time.LocalDateTime;
+
+public record EventModalResponse
+    (
+        Long id,
+        String name,
+        EventType eventType,
+        LocalDateTime startDate,
+        LocalDateTime endDate,
+        Long categoryId,
+        EventRepeatType eventRepeatType,
+        LocalDateTime repeatEndDate,
+        boolean isAllDay
+        ) {
+    public static EventModalResponse of(final Long id, final String name, final EventType eventType, final LocalDateTime startDate, final LocalDateTime endDate, final Long categoryId, final EventRepeatType eventRepeatType, final LocalDateTime repeatEndDate, final boolean isAllDay) {
+        return new EventModalResponse(id, name, eventType, startDate, endDate, categoryId, eventRepeatType, repeatEndDate, isAllDay);
+    }
+}
diff --git a/src/main/java/classfit/example/classfit/event/service/EventGetService.java b/src/main/java/classfit/example/classfit/event/service/EventGetService.java
index f3e8ab72..bb098abf 100644
--- a/src/main/java/classfit/example/classfit/event/service/EventGetService.java
+++ b/src/main/java/classfit/example/classfit/event/service/EventGetService.java
@@ -4,6 +4,7 @@
 
 import classfit.example.classfit.common.exception.ClassfitException;
 import classfit.example.classfit.event.domain.Event;
+import classfit.example.classfit.event.dto.response.EventModalResponse;
 import classfit.example.classfit.event.dto.response.EventMontylyResponse;
 import classfit.example.classfit.event.dto.response.EventResponse;
 import classfit.example.classfit.event.repository.EventRepository;
@@ -23,9 +24,9 @@ public class EventGetService {
     private final EventRepository eventRepository;
 
     @Transactional(readOnly = true)
-    public EventResponse getEvent(long eventId) {
+    public EventModalResponse getEvent(long eventId) {
         Event event = getEventById(eventId);
-        return Event.buildEventResponse(event);
+        return Event.buildModalEventResponse(event);
     }
 
     private Event getEventById(long eventId) {
diff --git a/src/main/java/classfit/example/classfit/event/service/EventRepeatService.java b/src/main/java/classfit/example/classfit/event/service/EventRepeatService.java
index 7868f235..d53df5b4 100644
--- a/src/main/java/classfit/example/classfit/event/service/EventRepeatService.java
+++ b/src/main/java/classfit/example/classfit/event/service/EventRepeatService.java
@@ -26,8 +26,8 @@ public void addRepeatedEvents(Member member, EventCreateRequest request) {
             return;
         }
 
-        LocalDateTime currentStartDate = request.startDate();
-        LocalDateTime currentEndDate = request.endDate();
+        LocalDateTime currentStartDate = getNextRepeatDate(request.startDate(), request.eventRepeatType());
+        LocalDateTime currentEndDate = getNextRepeatDate(request.endDate(), request.eventRepeatType());
         LocalDateTime repeatEndDate = request.repeatEndDate().orElse(currentStartDate.plusMonths(6));
 
         generateRepeatedEvents(member, request, currentStartDate, currentEndDate, repeatEndDate);
@@ -82,8 +82,8 @@ public void addRepeatedModalEvents(Member member, EventModalRequest request) {
             return;
         }
 
-        LocalDateTime currentStartDate = request.startDate();
-        LocalDateTime currentEndDate = request.endDate();
+        LocalDateTime currentStartDate = getNextRepeatDate(request.startDate(), request.eventRepeatType());
+        LocalDateTime currentEndDate = getNextRepeatDate(request.endDate(), request.eventRepeatType());
         LocalDateTime repeatEndDate = request.repeatEndDate().orElse(currentStartDate.plusMonths(6));
 
         generateRepeatedModalEvents(member, request, currentStartDate, currentEndDate, repeatEndDate);
diff --git a/src/main/java/classfit/example/classfit/event/service/EventService.java b/src/main/java/classfit/example/classfit/event/service/EventService.java
index 6b215f23..6ff0e74e 100644
--- a/src/main/java/classfit/example/classfit/event/service/EventService.java
+++ b/src/main/java/classfit/example/classfit/event/service/EventService.java
@@ -7,6 +7,7 @@
 import classfit.example.classfit.event.dto.request.EventCreateRequest;
 import classfit.example.classfit.event.dto.request.EventDragUpdate;
 import classfit.example.classfit.event.dto.request.EventModalRequest;
+import classfit.example.classfit.event.dto.response.EventModalResponse;
 import classfit.example.classfit.event.dto.response.EventMontylyResponse;
 import classfit.example.classfit.event.dto.response.EventResponse;
 import classfit.example.classfit.event.repository.EventRepository;
@@ -38,7 +39,7 @@ public EventResponse updateEvent(Member member, long eventId, EventModalRequest
         return eventUpdateService.updateEvent(member, eventId, request);
     }
 
-    public EventResponse getEvent(long eventId) {
+    public EventModalResponse getEvent(long eventId) {
         return eventGetService.getEvent(eventId);
     }