diff --git a/changedetectionio/static/js/watch-overview.js b/changedetectionio/static/js/watch-overview.js
index a8b2b4fd..57541dfe 100644
--- a/changedetectionio/static/js/watch-overview.js
+++ b/changedetectionio/static/js/watch-overview.js
@@ -4,6 +4,14 @@ $(function () {
         $(this).closest('.unviewed').removeClass('unviewed');
     });
 
+    $('td[data-timestamp]').each(function () {
+        $(this).prop('title', new Intl.DateTimeFormat(undefined,
+            {
+                dateStyle: 'full',
+                timeStyle: 'long'
+            }).format($(this).data('timestamp') * 1000));
+    })
+
     $("#checkbox-assign-tag").click(function (e) {
         $('#op_extradata').val(prompt("Enter a tag name"));
     });
diff --git a/changedetectionio/templates/watch-overview.html b/changedetectionio/templates/watch-overview.html
index 687012c7..40b88e2c 100644
--- a/changedetectionio/templates/watch-overview.html
+++ b/changedetectionio/templates/watch-overview.html
@@ -154,8 +154,8 @@
                     {% endfor %}
 
                 </td>
-                <td class="last-checked">{{watch|format_last_checked_time|safe}}</td>
-                <td class="last-changed">{% if watch.history_n >=2 and watch.last_changed >0 %}
+                <td class="last-checked" data-timestamp="{{ watch.last_checked }}">{{watch|format_last_checked_time|safe}}</td>
+                <td class="last-changed" data-timestamp="{{ watch.last_changed }}">{% if watch.history_n >=2 and watch.last_changed >0 %}
                     {{watch.last_changed|format_timestamp_timeago}}
                     {% else %}
                     Not yet