--- loncom/interface/lonclonecourse.pm	2016/01/21 00:12:38	1.12
+++ loncom/interface/lonclonecourse.pm	2019/06/29 23:21:05	1.13
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # routines for clone a course
 #
-# $Id: lonclonecourse.pm,v 1.12 2016/01/21 00:12:38 raeburn Exp $
+# $Id: lonclonecourse.pm,v 1.13 2019/06/29 23:21:05 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -220,8 +220,14 @@ sub copyresourcedb {
                         if (($origtz eq 'local') && (!$ENV{TZ})) {
                             $ENV{TZ} = $dt->time_zone()->name();
                         }
-                        $dt->add(days => int($date_shift));
-                        $newdata{$thiskey} = $dt->epoch();
+                        eval {
+                            $dt->add(days => int($date_shift));
+                        };
+                        if ($@) {
+                            $newdata{$thiskey} = $newdata{$thiskey}+$delta+(60*60);
+                        } else {
+                            $newdata{$thiskey} = $dt->epoch();
+                        }
                     } else {
                         $newdata{$thiskey} = $newdata{$thiskey}+$delta;
                     }