diff --git a/googlefindmy-card.js b/googlefindmy-card.js
index e117a0a..b8b8d55 100644
--- a/googlefindmy-card.js
+++ b/googlefindmy-card.js
@@ -1602,7 +1602,7 @@ class GoogleFindMyCard extends LitElement {
           }
 
           // Create popup matching Map View
-          const timestamp = new Date(loc.timestamp).toLocaleString();
+          const timestamp = new Date(loc.timestamp * 1000).toLocaleString();
           const popupContent = `
             <div style="min-width: 200px;">
               <b>Location ${index + 1}</b><br>
@@ -2067,4 +2067,4 @@ console.info(
   `%c GOOGLE-FINDMY-CARD %c Version 1.1.0 `,
   'color: white; font-weight: bold; background: #1a73e8',
   'color: #1a73e8; font-weight: bold; background: #f0f0f0'
-);
\ No newline at end of file
+);