diff --git a/samcli/lib/observability/xray_traces/xray_event_mappers.py b/samcli/lib/observability/xray_traces/xray_event_mappers.py
index 4f18ff3a31..126e275067 100644
--- a/samcli/lib/observability/xray_traces/xray_event_mappers.py
+++ b/samcli/lib/observability/xray_traces/xray_event_mappers.py
@@ -3,6 +3,7 @@
 """
 import json
 from copy import deepcopy
+from datetime import datetime
 from typing import List
 
 from samcli.lib.observability.observability_info_puller import ObservabilityEventMapper
@@ -22,7 +23,7 @@ class XRayTraceConsoleMapper(ObservabilityEventMapper[XRayTraceEvent]):
 
     def map(self, event: XRayTraceEvent) -> XRayTraceEvent:
         formatted_segments = self.format_segments(event.segments)
-        iso_formatted_timestamp = timestamp_to_iso(event.timestamp)
+        iso_formatted_timestamp = datetime.fromtimestamp(event.timestamp).isoformat()
         mapped_message = (
             f"\nXRay Event at ({iso_formatted_timestamp}) with id ({event.id}) and duration ({event.duration:.3f}s)"
             f"{formatted_segments}"
diff --git a/tests/unit/lib/observability/xray_traces/test_xray_event_mappers.py b/tests/unit/lib/observability/xray_traces/test_xray_event_mappers.py
index c1b0eccf47..bdbed2eda6 100644
--- a/tests/unit/lib/observability/xray_traces/test_xray_event_mappers.py
+++ b/tests/unit/lib/observability/xray_traces/test_xray_event_mappers.py
@@ -19,17 +19,14 @@ def setUp(self):
         self.trace_event = XRayTraceEvent(
             {
                 "Id": str(uuid.uuid4()),
-                "name": str(uuid.uuid4()),
-                "start_time": time.time(),
-                "end_time": time.time(),
-                "http": {"response": {"status": 200}},
-                "subsegments": [
+                "Duration": 2.1,
+                "Segments": [
                     {
                         "Id": str(uuid.uuid4()),
                         "Document": json.dumps(
                             {
                                 "name": str(uuid.uuid4()),
-                                "start_time": time.time(),
+                                "start_time": 1634603579.27,  # 2021-10-18T17:32:59.270000
                                 "end_time": time.time(),
                                 "http": {"response": {"status": 200}},
                             }
@@ -67,7 +64,7 @@ def test_console_mapper(self):
 
         self.assertTrue(isinstance(mapped_event, XRayTraceEvent))
 
-        event_timestamp = timestamp_to_iso(self.trace_event.timestamp)
+        event_timestamp = "2021-10-18T17:32:59.270000"
         self.assertTrue(
             f"XRay Event at ({event_timestamp}) with id ({self.trace_event.id}) and duration ({self.trace_event.duration:.3f}s)"
             in mapped_event.message
@@ -84,7 +81,7 @@ def validate_segments(self, segments, message):
                 )
             else:
                 self.assertTrue(f" - {segment.get_duration():.3f}s - {segment.name}" in message)
-            self.validate_segments(segments.sub_segments, message)
+            self.validate_segments(segment.sub_segments, message)
 
 
 class TestXRayTraceJSONMapper(AbstraceXRayTraceMapperTest):