diff --git a/public/admin.js b/public/admin.js
index 0eb9d38..378c82f 100644
--- a/public/admin.js
+++ b/public/admin.js
@@ -494,7 +494,8 @@ document.addEventListener('DOMContentLoaded', () => {
 
     function getTimeAgo(timestamp) {
         const now = new Date();
-        const reportTime = new Date(timestamp);
+        // Ensure timestamp is treated as UTC if it doesn't have timezone info
+        const reportTime = new Date(timestamp.includes('T') ? timestamp : timestamp + 'Z');
         const diffInMinutes = Math.floor((now - reportTime) / (1000 * 60));
         
         if (diffInMinutes < 1) return 'just now';
diff --git a/public/app-mapbox.js b/public/app-mapbox.js
index dcd4dce..6723788 100644
--- a/public/app-mapbox.js
+++ b/public/app-mapbox.js
@@ -95,7 +95,8 @@ document.addEventListener('DOMContentLoaded', async () => {
     
     const getTimeAgo = (timestamp) => {
         const now = new Date();
-        const reportTime = new Date(timestamp);
+        // Ensure timestamp is treated as UTC if it doesn't have timezone info
+        const reportTime = new Date(timestamp.includes('T') ? timestamp : timestamp + 'Z');
         const diffInMinutes = Math.floor((now - reportTime) / (1000 * 60));
         
         if (diffInMinutes < 1) return 'just now';
@@ -172,7 +173,8 @@ document.addEventListener('DOMContentLoaded', async () => {
         }
         
         const now = new Date();
-        const reportTime = new Date(timestamp);
+        // Ensure timestamp is treated as UTC if it doesn't have timezone info
+        const reportTime = new Date(timestamp.includes('T') ? timestamp : timestamp + 'Z');
         const expirationTime = new Date(reportTime.getTime() + 48 * 60 * 60 * 1000);
         const remaining = expirationTime - now;
         
@@ -195,7 +197,8 @@ document.addEventListener('DOMContentLoaded', async () => {
         }
         
         const now = new Date();
-        const reportTime = new Date(timestamp);
+        // Ensure timestamp is treated as UTC if it doesn't have timezone info
+        const reportTime = new Date(timestamp.includes('T') ? timestamp : timestamp + 'Z');
         const expirationTime = new Date(reportTime.getTime() + 48 * 60 * 60 * 1000);
         const remaining = expirationTime - now;
         const hoursRemaining = remaining / (1000 * 60 * 60);