diff --git a/app/src/main/java/com/example/citrusclient/views/HomeFragment.java b/app/src/main/java/com/example/citrusclient/views/HomeFragment.java
index 73ddb7d..7ce0a8c 100644
--- a/app/src/main/java/com/example/citrusclient/views/HomeFragment.java
+++ b/app/src/main/java/com/example/citrusclient/views/HomeFragment.java
@@ -35,11 +35,17 @@
 import java.security.PrivateKey;
 import java.util.ArrayList;
 import java.util.Calendar;
+import java.util.Collections;
+import java.util.Comparator;
 import java.util.HashMap;
 import java.util.List;
 
 import java.time.LocalDate;
 
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeParseException;
+
 /**
  * A simple {@link Fragment} subclass.
  * Use the {@link HomeFragment#newInstance} factory method to
@@ -299,12 +305,21 @@
     }
 
     public void setTodos(List<Todo> todos ,HashMap<Integer, Book> idBookHashMap) {
+//        Collections.sort(books, new Comparator<Book>() {
+//            @Override
+//            public int compare(Book b1, Book b2) {
+//                return Integer.compare(b1.getBookId(), b2.getBookId());
+//            }
+//        });
         todoList = todos;
         if (idBookHashMap != null) {
             this.idBookHashMap = new HashMap<>(idBookHashMap);
         } else {
             this.idBookHashMap = new HashMap<>(); // 空のHashMapを作成
         }
+
+        sortTodosById();
+
         notifyDataSetChanged();
     }
 
@@ -352,10 +367,21 @@
         return todoList.size();
     }
 
-    public void sortTodosById(Todo todo) {
-        notifyDataSetChanged();
+    private void sortTodosById() {
+        Collections.sort(todoList, new Comparator<Todo>() {
+            @Override
+            public int compare(Todo todo1, Todo todo2) {
+                int bookComparison = Integer.compare(todo1.getBookId(), todo2.getBookId());
+                if (bookComparison != 0) {
+                    return bookComparison; // bookIdでの比較
+                }
+                return Integer.compare(todo1.getTodoId(), todo2.getTodoId()); // 同じbookIdの場合、todoIdで比較
+            }
+        });
+        notifyDataSetChanged(); // データ変更をアダプタに通知
     }
 
+
     static class MyTodoViewHolder extends RecyclerView.ViewHolder {
         Button todoButton;
         CheckBox todoCheckBox;
@@ -403,6 +429,8 @@
         int blue = 169;
         Schedule scheduleData = this.scheduleList.get(position);
         holder.scheduleButton.setText(scheduleData.getTitle());
+//        holder.scheduleButton.setText(scheduleData.getTitle() + extractionTime(scheduleData.getStartTime()) + " ~ "  + extractionTime(scheduleData.getEndTime()));
+        System.out.println(scheduleData.getEndTime());
         Book book = idBookHashMap.get(scheduleData.getBookId());
         if(book != null) {
             red = Integer.parseInt(book.getColor().substring(1, 3), 16);
@@ -414,6 +442,46 @@
 
     }
 
+//    private void sortScheduleByTime() {
+//        Collections.sort(scheduleList, new Comparator<Schedule>() {
+//            @Override
+//            public int compare(Schedule schedule1, Schedule schedule2) {
+//                return Integer.compare(schedule1.getStartTime(), schedule2.getStartTime());
+//            }
+//        });
+//        notifyDataSetChanged(); // データ変更をアダプタに通知
+//    }
+
+    private static int convertTimeInteger(String scheduleTime) {
+        try {
+            // フォーマッタを定義
+            DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm");
+
+            // StringをLocalDateTimeに変換
+            LocalDateTime dateTime = LocalDateTime.parse(scheduleTime, formatter);
+
+            // 年、月、日、時、分を抽出
+            int year = dateTime.getYear();
+            int month = dateTime.getMonthValue();
+            int day = dateTime.getDayOfMonth();
+            int hour = dateTime.getHour();
+            int minute = dateTime.getMinute();
+
+            // 必要に応じて整数を組み合わせる（例: YYYYMMDDHHMM）
+            int result = year * 1000000 + month * 10000 + day * 100 + hour * 10 + minute;
+
+            return result;
+        } catch (DateTimeParseException e) {
+            e.printStackTrace();
+            return -1; // エラーが発生した場合は-1を返す
+        }
+    }
+
+    private static int extractionTime(String scheduleTime) {
+        int time = convertTimeInteger(scheduleTime);
+        int result = time % 10000;
+        return result;
+    }
 
     @Override
     public int getItemCount() {