diff --git a/src/Infrastructure/BotSharp.Abstraction/Repositories/Filters/InstructLogFilter.cs b/src/Infrastructure/BotSharp.Abstraction/Repositories/Filters/InstructLogFilter.cs
index c1040f94..aeec7b18 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Repositories/Filters/InstructLogFilter.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Repositories/Filters/InstructLogFilter.cs
@@ -8,6 +8,8 @@ public class InstructLogFilter : Pagination
     public List<string>? TemplateNames { get; set; }
     public List<string>? UserIds { get; set; }
     public List<KeyValue>? States { get; set; }
+    public DateTime? StartTime { get; set; }
+    public DateTime? EndTime { get; set; }
 
     public static InstructLogFilter Empty()
     {
diff --git a/src/Infrastructure/BotSharp.Core/Repository/FileRepository/FileRepository.Conversation.cs b/src/Infrastructure/BotSharp.Core/Repository/FileRepository/FileRepository.Conversation.cs
index 81da4047..a42bc988 100644
--- a/src/Infrastructure/BotSharp.Core/Repository/FileRepository/FileRepository.Conversation.cs
+++ b/src/Infrastructure/BotSharp.Core/Repository/FileRepository/FileRepository.Conversation.cs
@@ -452,6 +452,10 @@ public partial class FileRepository
             {
                 matched = matched && record.CreatedTime >= filter.StartTime.Value;
             }
+            if (filter?.EndTime != null)
+            {
+                matched = matched && record.CreatedTime <= filter.EndTime.Value;
+            }
             if (filter?.Tags != null && filter.Tags.Any())
             {
                 matched = matched && !record.Tags.IsNullOrEmpty() && record.Tags.Exists(t => filter.Tags.Contains(t));
diff --git a/src/Infrastructure/BotSharp.Core/Repository/FileRepository/FileRepository.Log.cs b/src/Infrastructure/BotSharp.Core/Repository/FileRepository/FileRepository.Log.cs
index 3913a404..5b8d095f 100644
--- a/src/Infrastructure/BotSharp.Core/Repository/FileRepository/FileRepository.Log.cs
+++ b/src/Infrastructure/BotSharp.Core/Repository/FileRepository/FileRepository.Log.cs
@@ -202,6 +202,14 @@ namespace BotSharp.Core.Repository
                 {
                     matched = matched && filter.UserIds.Contains(log.UserId);
                 }
+                if (filter.StartTime.HasValue)
+                {
+                    matched = matched && log.CreatedTime >= filter.StartTime.Value;
+                }
+                if (filter.EndTime.HasValue)
+                {
+                    matched = matched && log.CreatedTime <= filter.EndTime.Value;
+                }
 
                 // Check states
                 if (matched && filter != null && !filter.States.IsNullOrEmpty())
diff --git a/src/Plugins/BotSharp.Plugin.MongoStorage/Repository/MongoRepository.Log.cs b/src/Plugins/BotSharp.Plugin.MongoStorage/Repository/MongoRepository.Log.cs
index 8cd6e158..196c6dfc 100644
--- a/src/Plugins/BotSharp.Plugin.MongoStorage/Repository/MongoRepository.Log.cs
+++ b/src/Plugins/BotSharp.Plugin.MongoStorage/Repository/MongoRepository.Log.cs
@@ -196,6 +196,14 @@ public partial class MongoRepository
         {
             logFilters.Add(logBuilder.In(x => x.TemplateName, filter.TemplateNames));
         }
+        if (filter.StartTime.HasValue)
+        {
+            logFilters.Add(logBuilder.Gte(x => x.CreatedTime, filter.StartTime.Value));
+        }
+        if (filter.EndTime.HasValue)
+        {
+            logFilters.Add(logBuilder.Lte(x => x.CreatedTime, filter.EndTime.Value));
+        }
 
         // Filter states
         if (filter != null && !filter.States.IsNullOrEmpty())