diff --git a/scripts/pi-hole/js/groups-adlists.js b/scripts/pi-hole/js/groups-adlists.js
index f7a5a206..4b6bec03 100644
--- a/scripts/pi-hole/js/groups-adlists.js
+++ b/scripts/pi-hole/js/groups-adlists.js
@@ -35,6 +35,11 @@ $.fn.redraw = function(){
     });
 };
 
+function datetime(date)
+{
+    return moment.unix(Math.floor(date)).format("Y-MM-DD HH:mm:ss z");
+}
+
 $(document).ready(function() {
 
     $('#btnAdd').on('click', addAdlist);
@@ -61,8 +66,8 @@ $(document).ready(function() {
             $('.deleteAdlist').on('click', deleteAdlist);
         },
         "rowCallback": function( row, data ) {
-            $('td:eq(0)', row).html( '<code>'+data["address"]+'</code>' );
-
+            const tooltip = 'Added: '+datetime(data["date_added"])+'\nLast modified: '+datetime(data["date_modified"]);
+            $('td:eq(0)', row).html( '<code title="'+tooltip+'">'+data["address"]+'</code>' );
 
             const disabled = data["enabled"] === 0;
             $('td:eq(1)', row).html( '<input type="checkbox" id="status"'+(disabled?'':' checked')+'>');
diff --git a/scripts/pi-hole/js/groups-domains.js b/scripts/pi-hole/js/groups-domains.js
index b05cf59c..ac611e82 100644
--- a/scripts/pi-hole/js/groups-domains.js
+++ b/scripts/pi-hole/js/groups-domains.js
@@ -35,9 +35,15 @@ $.fn.redraw = function(){
     });
 };
 
+function datetime(date)
+{
+    return moment.unix(Math.floor(date)).format("Y-MM-DD HH:mm:ss z");
+}
+
 $(document).ready(function() {
 
     $('#btnAdd').on('click', addDomain);
+    $( function() { $( document ).tooltip(); } );
 
     get_groups();
 
@@ -62,7 +68,8 @@ $(document).ready(function() {
             $('.deleteDomain').on('click', deleteDomain);
         },
         "rowCallback": function( row, data ) {
-            $('td:eq(0)', row).html( '<code>'+data["domain"]+'</code>' );
+            const tooltip = 'Added: '+datetime(data["date_added"])+'\nLast modified: '+datetime(data["date_modified"]);
+            $('td:eq(0)', row).html( '<code title="'+tooltip+'">'+data["domain"]+'</code>' );
 
             $('td:eq(1)', row).html( '<select id="type" class="form-control">'+
                                      '<option value="0"'+(data["type"]===0?' selected':'')+'>Exact whitelist</option>'+
diff --git a/scripts/pi-hole/php/header.php b/scripts/pi-hole/php/header.php
index 58802800..94260f7c 100644
--- a/scripts/pi-hole/php/header.php
+++ b/scripts/pi-hole/php/header.php
@@ -224,6 +224,7 @@
     <link rel="stylesheet" href="style/vendor/bootstrap/css/bootstrap-multiselect.css">
     <script src="style/vendor/bootstrap/js/bootstrap-toggle.min.js"></script>
     <link rel="stylesheet" href="style/vendor/bootstrap/css/bootstrap-toggle.min.css">
+    <script src="scripts/vendor/moment.min.js"></script>
 <?php } ?>
 
     <script src="scripts/vendor/jquery.dataTables.min.js"></script>