Index: Slim/Utils/Alarm.pm
===================================================================
--- Slim/Utils/Alarm.pm	(revision 23705)
+++ Slim/Utils/Alarm.pm	(working copy)
@@ -1779,6 +1780,9 @@
 				. ' - rescheduling all alarms');
 
 		foreach my $client (Slim::Player::Client::clients()) {
+			if ($client->can('setRTCTime')) {
+				$client->setRTCTime;
+			}
 			$class->scheduleNext($client);
 		}
 	}