diff --git a/web/src/app/home/monitoring/hooks/useMonitoringData.ts b/web/src/app/home/monitoring/hooks/useMonitoringData.ts
index f6dfc985..315cd5bb 100644
--- a/web/src/app/home/monitoring/hooks/useMonitoringData.ts
+++ b/web/src/app/home/monitoring/hooks/useMonitoringData.ts
@@ -7,6 +7,7 @@ import {
   EmbeddingCall,
 } from '../types/monitoring';
 import { backendClient } from '@/app/infra/http';
+import { parseUTCTimestamp } from '../utils/dateUtils';
 
 /**
  * Custom hook for fetching and managing monitoring data
@@ -120,7 +121,7 @@ export function useMonitoringData(filterState: FilterState) {
             variables?: string;
           }) => ({
             id: msg.id,
-            timestamp: new Date(msg.timestamp),
+            timestamp: parseUTCTimestamp(msg.timestamp),
             botId: msg.bot_id,
             botName: msg.bot_name,
             pipelineId: msg.pipeline_id,
@@ -154,7 +155,7 @@ export function useMonitoringData(filterState: FilterState) {
             message_id?: string;
           }) => ({
             id: call.id,
-            timestamp: new Date(call.timestamp),
+            timestamp: parseUTCTimestamp(call.timestamp),
             modelName: call.model_name,
             tokens: {
               input: call.input_tokens,
@@ -190,7 +191,7 @@ export function useMonitoringData(filterState: FilterState) {
             call_type?: string;
           }) => ({
             id: call.id,
-            timestamp: new Date(call.timestamp),
+            timestamp: parseUTCTimestamp(call.timestamp),
             modelName: call.model_name,
             promptTokens: call.prompt_tokens,
             totalTokens: call.total_tokens,
@@ -227,10 +228,10 @@ export function useMonitoringData(filterState: FilterState) {
             pipelineName: session.pipeline_name,
             messageCount: session.message_count,
             duration:
-              new Date(session.last_activity).getTime() -
-              new Date(session.start_time).getTime(),
-            lastActivity: new Date(session.last_activity),
-            startTime: new Date(session.start_time),
+              parseUTCTimestamp(session.last_activity).getTime() -
+              parseUTCTimestamp(session.start_time).getTime(),
+            lastActivity: parseUTCTimestamp(session.last_activity),
+            startTime: parseUTCTimestamp(session.start_time),
             platform: session.platform,
             userId: session.user_id,
           }),
@@ -250,7 +251,7 @@ export function useMonitoringData(filterState: FilterState) {
             message_id?: string;
           }) => ({
             id: error.id,
-            timestamp: new Date(error.timestamp),
+            timestamp: parseUTCTimestamp(error.timestamp),
             errorType: error.error_type,
             errorMessage: error.error_message,
             botId: error.bot_id,
diff --git a/web/src/app/home/monitoring/utils/dateUtils.ts b/web/src/app/home/monitoring/utils/dateUtils.ts
index 42ef8039..b246d3cf 100644
--- a/web/src/app/home/monitoring/utils/dateUtils.ts
+++ b/web/src/app/home/monitoring/utils/dateUtils.ts
@@ -97,3 +97,22 @@ export function isDateInRange(date: Date, range: DateRange | null): boolean {
 export function parseDate(dateStr: string): Date {
   return new Date(dateStr);
 }
+
+/**
+ * Parse a UTC timestamp string from the backend into a Date object.
+ *
+ * The backend stores all monitoring timestamps in UTC but serializes them
+ * as naive ISO strings (e.g. "2026-03-25T14:30:00") without a timezone
+ * designator. JavaScript's `new Date()` would treat such strings as local
+ * time, causing the displayed time to be off by the user's UTC offset.
+ *
+ * This function appends 'Z' when the string has no timezone info, so that
+ * `new Date()` correctly interprets it as UTC.
+ */
+export function parseUTCTimestamp(timestamp: string): Date {
+  // If the string already contains timezone info ('Z', '+', or '-' offset), parse as-is
+  if (/Z|[+-]\d{2}:\d{2}$/.test(timestamp)) {
+    return new Date(timestamp);
+  }
+  return new Date(timestamp + 'Z');
+}
diff --git a/web/src/app/home/pipelines/components/monitoring-tab/PipelineMonitoringTab.tsx b/web/src/app/home/pipelines/components/monitoring-tab/PipelineMonitoringTab.tsx
index 8f5b1f2b..b2c65f8f 100644
--- a/web/src/app/home/pipelines/components/monitoring-tab/PipelineMonitoringTab.tsx
+++ b/web/src/app/home/pipelines/components/monitoring-tab/PipelineMonitoringTab.tsx
@@ -10,6 +10,7 @@ import { MessageContentRenderer } from '@/app/home/monitoring/components/Message
 import { LoadingSpinner } from '@/components/ui/loading-spinner';
 import { httpClient } from '@/app/infra/http/HttpClient';
 import { MessageDetails } from '@/app/home/monitoring/types/monitoring';
+import { parseUTCTimestamp } from '@/app/home/monitoring/utils/dateUtils';
 
 interface PipelineMonitoringTabProps {
   pipelineId: string;
@@ -120,7 +121,7 @@ export default function PipelineMonitoringTab({
                 message: result.message
                   ? {
                       id: result.message.id,
-                      timestamp: new Date(result.message.timestamp),
+                      timestamp: parseUTCTimestamp(result.message.timestamp),
                       botId: result.message.bot_id,
                       botName: result.message.bot_name,
                       pipelineId: result.message.pipeline_id,
@@ -137,7 +138,7 @@ export default function PipelineMonitoringTab({
                   : undefined,
                 llmCalls: result.llm_calls.map((call: RawLLMCallData) => ({
                   id: call.id,
-                  timestamp: new Date(call.timestamp),
+                  timestamp: parseUTCTimestamp(call.timestamp),
                   modelName: call.model_name,
                   status: call.status,
                   duration: call.duration,
@@ -150,7 +151,7 @@ export default function PipelineMonitoringTab({
                 })),
                 errors: result.errors.map((error: RawErrorData) => ({
                   id: error.id,
-                  timestamp: new Date(error.timestamp),
+                  timestamp: parseUTCTimestamp(error.timestamp),
                   errorType: error.error_type,
                   errorMessage: error.error_message,
                   stackTrace: error.stack_trace,