--- loncom/localize/lonlocal.pm	2020/10/29 23:04:39	1.68
+++ loncom/localize/lonlocal.pm	2022/09/08 01:41:14	1.69
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Localization routines
 #
-# $Id: lonlocal.pm,v 1.68 2020/10/29 23:04:39 raeburn Exp $
+# $Id: lonlocal.pm,v 1.69 2022/09/08 01:41:14 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -363,7 +363,25 @@ sub gettimezone {
         }
         return $timezone;
     }
-    my $cid = $Apache::lonnet::env{'request.course.id'};  
+    my $cid = $Apache::lonnet::env{'request.course.id'};
+    if (&Apache::lonnet::usertools_access($Apache::lonnet::env{'user.name'},
+                                          $Apache::lonnet::env{'user.domain'},
+                                          'timezone')) {
+        if ($Apache::lonnet::env{'environment.timezone'} ne '') {
+            $timezone = $Apache::lonnet::env{'environment.timezone'};
+            if ($cid ne '') {
+                if (($Apache::lonnet::env{'course.'.$cid.'.tzover'}) &&
+                    ($Apache::lonnet::env{'course.'.$cid.'.timezone'} ne '')) {
+                    $timezone = $Apache::lonnet::env{'course.'.$cid.'.timezone'};
+                }
+            }
+            if ($timezone ne '') {
+                if (DateTime::TimeZone->is_valid_name($timezone)) {
+                    return $timezone;
+                }
+            }
+        }
+    }
     if ($cid ne '') {
         if ($Apache::lonnet::env{'course.'.$cid.'.timezone'}) {
             $timezone = $Apache::lonnet::env{'course.'.$cid.'.timezone'};