Download Zic File
Install
[root@something tzdb-2019c]# apt install lzip
[root@something tzdb-2019c]# tar --lzip -xvf tzdb-2019c.tar.lz
[root@something tzdb-2019c]# zic southamerica
[root@something tzdb-2019c]# zdump -v America/Sao_Paulo | egrep "2019|2020"
zdump: warning: zone "America/Sao_Paulo" abbreviation "-03" lacks alphabetic at start
America/Sao_Paulo Sun Feb 17 01:59:59 2019 UTC = Sat Feb 16 23:59:59 2019 -02 isdst=1 gmtoff=-7200
America/Sao_Paulo Sun Feb 17 02:00:00 2019 UTC = Sat Feb 16 23:00:00 2019 -03 isdst=0 gmtoff=-10800