diff --git a/SmartAquaViewer/Model/FileModel.cs b/SmartAquaViewer/Model/FileModel.cs
index 1cef82a..c6cef1a 100644
--- a/SmartAquaViewer/Model/FileModel.cs
+++ b/SmartAquaViewer/Model/FileModel.cs
@@ -8,7 +8,8 @@ namespace SmartAquaViewer.Model
 {
     public class FileModel
     {
-        public string Name { get; set; }
-        public string Content { get; set; }
+        public string? Name { get; set; }
+        public DateTime RecordedDate { get; set; }
+        public string? Content { get; set; }
     }
 }
diff --git a/SmartAquaViewer/ViewModel/FileListViewModel.cs b/SmartAquaViewer/ViewModel/FileListViewModel.cs
index 6ddb383..c08ee60 100644
--- a/SmartAquaViewer/ViewModel/FileListViewModel.cs
+++ b/SmartAquaViewer/ViewModel/FileListViewModel.cs
@@ -55,20 +55,22 @@ namespace SmartAquaViewer.ViewModel
 
             if (openFileDialog.ShowDialog() == true)
             {
-                FileList.Clear();
-
                 foreach (var filePath in openFileDialog.FileNames)
                 {
-                    var fileName = System.IO.Path.GetFileName(filePath);
+                    var fileName = Path.GetFileName(filePath).Replace(".json", "");
+                    var year = int.Parse(fileName.Split("-")[0]);
+                    var month = int.Parse(fileName.Split("-")[1]);
+                    var day = int.Parse(fileName.Split("-")[2]);
+                    var date = new DateTime(year, month, day);
 
-                    var fileModel = new FileModel { Name = fileName };
+                    var fileModel = new FileModel { Name = fileName, RecordedDate = date };
                     var fileContent = File.ReadAllText(filePath);
                     fileModel.Content = fileContent;
 
-                    if (!FileList.Any(f => f.Name == fileModel.Name))
-                    {
-                        FileList.Add(fileModel);
-                    }
+                    if (FileList.Any(f => f.Name == fileModel.Name)) continue;
+
+                    FileList.Add(fileModel);
+                    OrderFileListByDate();
                 }
             }
         }
@@ -92,6 +94,16 @@ namespace SmartAquaViewer.ViewModel
             }
         }
 
+        private void OrderFileListByDate()
+        {
+            var orderedList = FileList.OrderBy(f => f.RecordedDate).ToList();
+            FileList.Clear();
+            foreach (var file in orderedList)
+            {
+                FileList.Add(file);
+            }
+        }
+
         public event PropertyChangedEventHandler? PropertyChanged;
         private void OnPropertyChanged([CallerMemberName] string? name = null)
             => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));