diff --git a/Event/src/main/java/com/pawith/event/christmas/ChristmasEventCloseHandler.java b/Event/src/main/java/com/pawith/event/christmas/ChristmasEventCloseHandler.java
index e56a9dfa..12252d7f 100644
--- a/Event/src/main/java/com/pawith/event/christmas/ChristmasEventCloseHandler.java
+++ b/Event/src/main/java/com/pawith/event/christmas/ChristmasEventCloseHandler.java
@@ -15,7 +15,7 @@
 @Component
 public class ChristmasEventCloseHandler extends AbstractBatchSchedulingHandler<ChristmasCategory> {
     private static final Integer BATCH_SIZE = 100;
-        private static final String CRON_EXPRESSION = "0 0 0 26 12 *";
+    private static final String CRON_EXPRESSION = "0 0 0 2 1 *";
 
     private final ChristmasCategoryRepository christmasCategoryRepository;
     private final CategoryRepository categoryRepository;
diff --git a/Event/src/main/java/com/pawith/event/christmas/ChristmasEventService.java b/Event/src/main/java/com/pawith/event/christmas/ChristmasEventService.java
index 18169eb4..d3106ecc 100644
--- a/Event/src/main/java/com/pawith/event/christmas/ChristmasEventService.java
+++ b/Event/src/main/java/com/pawith/event/christmas/ChristmasEventService.java
@@ -3,9 +3,13 @@
 import com.pawith.event.christmas.entity.ChristmasCategory;
 import com.pawith.event.christmas.repository.ChristmasCategoryRepository;
 import com.pawith.tododomain.entity.*;
-import com.pawith.tododomain.repository.*;
+import com.pawith.tododomain.repository.AssignRepository;
+import com.pawith.tododomain.repository.CategoryRepository;
+import com.pawith.tododomain.repository.RegisterRepository;
+import com.pawith.tododomain.repository.TodoRepository;
 import com.pawith.tododomain.service.RegisterQueryService;
 import lombok.RequiredArgsConstructor;
+import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -18,12 +22,8 @@
 public class ChristmasEventService {
     private static final String EVENT_CATEGORY_NAME = "크리스마스";
     private static final String EVENT_TODO_DESCRIPTION = "포잇스마스 이벤트 참여하기";
-    private static final List<LocalDate> EVENT_TODO_SCHEDULED_DATE_LIST = List.of(
-        LocalDate.of(2023, 12, 23),
-        LocalDate.of(2023, 12, 24),
-        LocalDate.of(2023, 12, 25)
-    );
-
+    private static final LocalDate EVENT_START_DATE = LocalDate.of(2023, 12, 23);
+    private static final LocalDate EVENT_END_DATE = LocalDate.of(2024, 1, 2);
 
     private static final Long EVENT_CREATOR_ID = -1L;
     private final CategoryRepository categoryRepository;
@@ -47,7 +47,9 @@ public void publishEvent(TodoTeam todoTeam){
         final List<Register> allRegisters = registerRepository.findAllByTodoTeamId(todoTeam.getId());
         final List<Todo> eventTodoList = new ArrayList<>();
         final List<Assign> eventAssignList = new ArrayList<>();
-        EVENT_TODO_SCHEDULED_DATE_LIST
+
+        final List<LocalDate> eventDateList = EVENT_START_DATE.datesUntil(EVENT_END_DATE).toList();
+        eventDateList
             .forEach(eventDate -> {
                     final Todo todo = Todo.builder()
                         .category(saved)
@@ -83,8 +85,49 @@ public void addNewRegisterAtChristmasEventTodo(Long todoTeamId, Long userId){
             });
     }
 
+    @Scheduled(cron = "0 0 0 26 12 *")
+    public void addNewTodoAtChristmasEventCategory(){
+        final List<ChristmasCategory> allChristmasCategory = christmasCategoryRepository.findAll();
+        List<Todo> todoList = new ArrayList<>();
+        List<Assign> assignList = new ArrayList<>();
+        allChristmasCategory.forEach(christmasCategory ->{
+            final Long categoryId = christmasCategory.getCategoryId();
+            categoryRepository.findById(categoryId).ifPresent(category -> {
+                final List<LocalDate> eventDateList = new ArrayList<>(EVENT_START_DATE.datesUntil(EVENT_END_DATE).toList());
+                final TodoTeam todoTeam = category.getTodoTeam();
+                final List<Register> allRegisters = registerRepository.findAllByTodoTeamId(todoTeam.getId());
+                todoRepository.findTodoListByCreatorIdAndTodoTeamIdQuery(EVENT_CREATOR_ID, todoTeam.getId())
+                    .forEach(todo -> {
+                        final LocalDate scheduledDate = todo.getScheduledDate();
+                        eventDateList.remove(scheduledDate);
+                    });
+
+                eventDateList.forEach(eventDate -> {
+                    final Todo todo = Todo.builder()
+                        .category(category)
+                        .creatorId(EVENT_CREATOR_ID)
+                        .description(EVENT_TODO_DESCRIPTION)
+                        .scheduledDate(eventDate)
+                        .build();
+                    todoList.add(todo);
+                    List<Assign> allAssign = allRegisters.stream()
+                        .filter(Register::isRegistered)
+                        .map(register -> Assign.builder()
+                            .todo(todo)
+                            .register(register)
+                            .build())
+                        .toList();
+                    assignList.addAll(allAssign);
+                });
+            });
+        });
+        todoRepository.saveAll(todoList);
+        assignRepository.saveAll(assignList);
+    }
+
     public Boolean isEventDay(){
-        return EVENT_TODO_SCHEDULED_DATE_LIST.contains(LocalDate.now());
+        final LocalDate now = LocalDate.now();
+        return now.isAfter(EVENT_START_DATE) && now.isBefore(EVENT_END_DATE);
     }
 
 }