diff --git a/src/main/resources/static/js/fitpub.js b/src/main/resources/static/js/fitpub.js
index 6258fa2..4e6da91 100644
--- a/src/main/resources/static/js/fitpub.js
+++ b/src/main/resources/static/js/fitpub.js
@@ -493,5 +493,6 @@ window.FitPub = {
     formatDistance,
     formatPace,
     formatDateTimeWithTimezone,
-    formatDateWithTimezone
+    formatDateWithTimezone,
+    ensureUTC
 };
diff --git a/src/main/resources/static/js/timeline.js b/src/main/resources/static/js/timeline.js
index 1b48bdc..4a8fdb5 100644
--- a/src/main/resources/static/js/timeline.js
+++ b/src/main/resources/static/js/timeline.js
@@ -727,7 +727,7 @@ const FitPubTimeline = {
      * @returns {string} Time ago string
      */
     formatTimeAgo: function(timestamp) {
-        const date = new Date(timestamp);
+        const date = new Date(FitPub.ensureUTC(timestamp));
         const now = new Date();
         const secondsAgo = Math.floor((now - date) / 1000);