diff --git a/DevProxy.Abstractions/Proxy/ProxyEvents.cs b/DevProxy.Abstractions/Proxy/ProxyEvents.cs
index 810387d3..a69c2834 100644
--- a/DevProxy.Abstractions/Proxy/ProxyEvents.cs
+++ b/DevProxy.Abstractions/Proxy/ProxyEvents.cs
@@ -61,6 +61,7 @@ public class RequestLog
     public MessageType MessageType { get; set; }
     public string? Method { get; init; }
     public string? PluginName { get; set; }
+    public DateTimeOffset Timestamp { get; init; } = DateTimeOffset.UtcNow;
     public string? Url { get; init; }
 
     public RequestLog(string message, MessageType messageType, LoggingContext? context) :
diff --git a/DevProxy.Plugins/Generation/HarGeneratorPlugin.cs b/DevProxy.Plugins/Generation/HarGeneratorPlugin.cs
index e376bcb1..fc85ffc9 100644
--- a/DevProxy.Plugins/Generation/HarGeneratorPlugin.cs
+++ b/DevProxy.Plugins/Generation/HarGeneratorPlugin.cs
@@ -103,11 +103,10 @@ private HarEntry CreateHarEntry(RequestLog log)
 
         var request = log.Context.Session.HttpClient.Request;
         var response = log.Context.Session.HttpClient.Response;
-        var currentTime = DateTime.UtcNow;
 
         var entry = new HarEntry
         {
-            StartedDateTime = currentTime.ToString("o"),
+            StartedDateTime = log.Timestamp.ToString("o"),
             Time = 0, // We don't have actual timing data in RequestLog
             Request = new HarRequest
             {