$ timedatectl list-timezones
$ timedatectl set-timezone America/Sao_Paulo
$ apt update
$ apt install tzdata
$ dpkg-reconfigure tzdata
$ timedatectl
$ service rsyslog restart
$ timedatectl set-ntp true
$ timedatectl list-timezones
$ timedatectl set-timezone America/Sao_Paulo
$ apt update
$ apt install tzdata
$ dpkg-reconfigure tzdata
$ timedatectl
$ service rsyslog restart
$ timedatectl set-ntp true