alter table mysql.time_zone_name engine=InnoDB;
create table envois3 (starttime datetime) engine=InnoDB;
insert envois3 values ('2008-08-11 22:43:00');
select convert_tz(starttime,'UTC','Europe/Moscow') starttime from envois3;
starttime
2008-08-12 02:43:00
drop table envois3;
alter table mysql.time_zone_name engine=MyISAM;