--- pve-manager/PVE/API2/Nodes.pm.timezone	2019-08-28 10:27:51.000000000 +0300

+++ pve-manager/PVE/API2/Nodes.pm	2019-09-10 14:34:47.312691683 +0300

@@ -1258,6 +1258,23 @@

 	return undef;

     }});

+my $get_timezone = {};

+

+sub get_timezone {

+    my ($timezone) = '';

+

+    my $code = sub {

+        my $line = shift;

+        if ($line =~ m/^Timezone\=(\S+)/) {

+            $timezone = $1;

+        }

+    };

+

+    PVE::Tools::run_command(['/usr/bin/timedatectl', 'show'], outfunc => $code);

+

+    return $timezone;

+}

+

 __PACKAGE__->register_method({

     name => 'time',

     path => 'time',

@@ -1301,7 +1319,7 @@

 	my $ctime = time();

 	my $ltime = timegm_nocheck(localtime($ctime));

 	my $res = {

-	    timezone => PVE::INotify::read_file('timezone'),

+	    timezone => get_timezone(),

 	    time => $ctime,

 	    localtime => $ltime,

 	};

@@ -1333,7 +1351,8 @@

     code => sub {

 	my ($param) = @_;

-	PVE::INotify::write_file('timezone', $param->{timezone});

+	my $cmd = ['/usr/bin/timedatectl', 'set-timezone', $param->{timezone}];

+	PVE::Tools::run_command($cmd);

 	return undef;

     }});