ubuntu@ip-[]:~$ apt info tzdata
Package: tzdata
Version: 2022a-0ubuntu1
Priority: important
Section: libs
Origin: Ubuntu

= Before installing patch =

ubuntu@ip-[]:~$ zdump -v /usr/share/zoneinfo/America/Santiago | grep 2021
/usr/share/zoneinfo/America/Santiago  Sun Apr  4 02:59:59 2021 UT = Sat Apr  3 23:59:59 2021 -03 isdst=1 gmtoff=-10800
/usr/share/zoneinfo/America/Santiago  Sun Apr  4 03:00:00 2021 UT = Sat Apr  3 23:00:00 2021 -04 isdst=0 gmtoff=-14400
/usr/share/zoneinfo/America/Santiago  Sun Sep  5 03:59:59 2021 UT = Sat Sep  4 23:59:59 2021 -04 isdst=0 gmtoff=-14400
/usr/share/zoneinfo/America/Santiago  Sun Sep  5 04:00:00 2021 UT = Sun Sep  5 01:00:00 2021 -03 isdst=1 gmtoff=-10800
ubuntu@ip-[]:~$ zdump -v /usr/share/zoneinfo/America/Santiago | grep 2022
/usr/share/zoneinfo/America/Santiago  Sun Apr  3 02:59:59 2022 UT = Sat Apr  2 23:59:59 2022 -03 isdst=1 gmtoff=-10800
/usr/share/zoneinfo/America/Santiago  Sun Apr  3 03:00:00 2022 UT = Sat Apr  2 23:00:00 2022 -04 isdst=0 gmtoff=-14400
/usr/share/zoneinfo/America/Santiago  Sun Sep  4 03:59:59 2022 UT = Sat Sep  3 23:59:59 2022 -04 isdst=0 gmtoff=-14400
/usr/share/zoneinfo/America/Santiago  Sun Sep  4 04:00:00 2022 UT = Sun Sep  4 01:00:00 2022 -03 isdst=1 gmtoff=-10800
ubuntu@ip-[]:~$ zdump -v /usr/share/zoneinfo/America/Santiago | grep 2023
/usr/share/zoneinfo/America/Santiago  Sun Apr  2 02:59:59 2023 UT = Sat Apr  1 23:59:59 2023 -03 isdst=1 gmtoff=-10800
/usr/share/zoneinfo/America/Santiago  Sun Apr  2 03:00:00 2023 UT = Sat Apr  1 23:00:00 2023 -04 isdst=0 gmtoff=-14400
/usr/share/zoneinfo/America/Santiago  Sun Sep  3 03:59:59 2023 UT = Sat Sep  2 23:59:59 2023 -04 isdst=0 gmtoff=-14400
/usr/share/zoneinfo/America/Santiago  Sun Sep  3 04:00:00 2023 UT = Sun Sep  3 01:00:00 2023 -03 isdst=1 gmtoff=-10800

= After installing patch =

ubuntu@ip-[]:~$ zdump -v /usr/share/zoneinfo/America/Santiago | grep 2021
/usr/share/zoneinfo/America/Santiago  Sun Apr  4 02:59:59 2021 UT = Sat Apr  3 23:59:59 2021 -03 isdst=1 gmtoff=-10800
/usr/share/zoneinfo/America/Santiago  Sun Apr  4 03:00:00 2021 UT = Sat Apr  3 23:00:00 2021 -04 isdst=0 gmtoff=-14400
/usr/share/zoneinfo/America/Santiago  Sun Sep  5 03:59:59 2021 UT = Sat Sep  4 23:59:59 2021 -04 isdst=0 gmtoff=-14400
/usr/share/zoneinfo/America/Santiago  Sun Sep  5 04:00:00 2021 UT = Sun Sep  5 01:00:00 2021 -03 isdst=1 gmtoff=-10800
ubuntu@ip-[]:~$ zdump -v /usr/share/zoneinfo/America/Santiago | grep 2022
/usr/share/zoneinfo/America/Santiago  Sun Apr  3 02:59:59 2022 UT = Sat Apr  2 23:59:59 2022 -03 isdst=1 gmtoff=-10800
/usr/share/zoneinfo/America/Santiago  Sun Apr  3 03:00:00 2022 UT = Sat Apr  2 23:00:00 2022 -04 isdst=0 gmtoff=-14400
/usr/share/zoneinfo/America/Santiago  Sun Sep 11 03:59:59 2022 UT = Sat Sep 10 23:59:59 2022 -04 isdst=0 gmtoff=-14400
/usr/share/zoneinfo/America/Santiago  Sun Sep 11 04:00:00 2022 UT = Sun Sep 11 01:00:00 2022 -03 isdst=1 gmtoff=-10800
ubuntu@ip-[]:~$ zdump -v /usr/share/zoneinfo/America/Santiago | grep 2023
/usr/share/zoneinfo/America/Santiago  Sun Apr  2 02:59:59 2023 UT = Sat Apr  1 23:59:59 2023 -03 isdst=1 gmtoff=-10800
/usr/share/zoneinfo/America/Santiago  Sun Apr  2 03:00:00 2023 UT = Sat Apr  1 23:00:00 2023 -04 isdst=0 gmtoff=-14400
/usr/share/zoneinfo/America/Santiago  Sun Sep  3 03:59:59 2023 UT = Sat Sep  2 23:59:59 2023 -04 isdst=0 gmtoff=-14400
/usr/share/zoneinfo/America/Santiago  Sun Sep  3 04:00:00 2023 UT = Sun Sep  3 01:00:00 2023 -03 isdst=1 gmtoff=-10800