diff --git a/Web/Sample/Synergy.Sample.Web.API.Tests/Infrastructure/SampleTestServer.cs b/Web/Sample/Synergy.Sample.Web.API.Tests/Infrastructure/SampleTestServer.cs
index 3cbded3..23fb0a9 100644
--- a/Web/Sample/Synergy.Sample.Web.API.Tests/Infrastructure/SampleTestServer.cs
+++ b/Web/Sample/Synergy.Sample.Web.API.Tests/Infrastructure/SampleTestServer.cs
@@ -1,6 +1,7 @@
 using System.Net.Http;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Mvc.Testing;
+using Newtonsoft.Json;
 using Synergy.Sample.Web.API.Extensions;
 using Synergy.Web.Api.Testing;
 
@@ -8,6 +9,12 @@ namespace Synergy.Sample.Web.API.Tests.Infrastructure
 {
     public class SampleTestServer : TestServer
     {
+        /// <inheritdoc />
+        public override JsonSerializerSettings SerializationSettings => new()
+        {
+            DateTimeZoneHandling = DateTimeZoneHandling.RoundtripKind
+        };
+
         private WebApplicationFactory<Startup>? webApplicationFactory;
 
         /// <inheritdoc />
diff --git a/Web/Sample/Synergy.Sample.Web.API.Tests/Users/Patterns/S02_E02_GetCreatedUserByLocation.json b/Web/Sample/Synergy.Sample.Web.API.Tests/Users/Patterns/S02_E02_GetCreatedUserByLocation.json
index f821c69..f646315 100644
--- a/Web/Sample/Synergy.Sample.Web.API.Tests/Users/Patterns/S02_E02_GetCreatedUserByLocation.json
+++ b/Web/Sample/Synergy.Sample.Web.API.Tests/Users/Patterns/S02_E02_GetCreatedUserByLocation.json
@@ -25,7 +25,7 @@
         "login": {
           "value": "marcin@synergy.com"
         },
-        "created": "2024-05-13T13:19:15.8420304+02:00"
+        "created": "2022-12-15T19:09:56+05:30"
       }
     }
   }
diff --git a/Web/Sample/Synergy.Sample.Web.API.Tests/Users/Users.md b/Web/Sample/Synergy.Sample.Web.API.Tests/Users/Users.md
index 1607584..5c6532e 100644
--- a/Web/Sample/Synergy.Sample.Web.API.Tests/Users/Users.md
+++ b/Web/Sample/Synergy.Sample.Web.API.Tests/Users/Users.md
@@ -115,7 +115,7 @@ Content-Length: 182
     "login": {
       "value": "marcin@synergy.com"
     },
-    "created": "2024-05-13T13:19:15.8420304+02:00"
+    "created": "2022-12-15T14:39:56+01:00"
   }
 }
 ```
diff --git a/Web/Synergy.Web.Api.Testing/HttpExtensions.cs b/Web/Synergy.Web.Api.Testing/HttpExtensions.cs
index 8625601..679ffb9 100644
--- a/Web/Synergy.Web.Api.Testing/HttpExtensions.cs
+++ b/Web/Synergy.Web.Api.Testing/HttpExtensions.cs
@@ -104,10 +104,8 @@ public static string ToHttpLook(this HttpRequestMessage request, HttpOperation o
             var requestBody = request.Content.ReadJson();
             if (requestBody != null)
             {
-                report.Append(requestBody.ToString(
-                        Formatting.Indented,
-                        operation.TestServer.Converters()
-                    )
+                report.Append(
+                    Serialize(requestBody, operation.TestServer.SerializationSettings)
                 );
             }
             return report.ToString().Trim();
@@ -121,15 +119,20 @@ public static string ToHttpLook(this HttpResponseMessage response, HttpOperation
             InsertHeaders(report, response.GetAllHeaders());
             var responseBody = response.Content.ReadJson();
             if (responseBody != null)
-                report.Append(responseBody.ToString(
-                        Formatting.Indented,
-                        operation.TestServer.Converters()
-                    )
+                report.Append(
+                    Serialize(responseBody, operation.TestServer.SerializationSettings)
                 );
 
             return report.ToString().Trim();
         }
 
+        private static string Serialize(JToken json, JsonSerializerSettings settings)
+            => JsonConvert.SerializeObject(
+                json,
+                Formatting.Indented,
+                settings
+            );
+        
         private static void InsertHeaders(StringBuilder report, IEnumerable<KeyValuePair<string, IEnumerable<string>>> headers)
         {
             foreach (var header in headers)