Comment 8 for bug 1948698

verification of tzdata update on focal:

bdmurray@clean-focal-amd64:~$ zdump -v Asia/Gaza | grep 2021
Asia/Gaza Fri Mar 26 21:59:59 2021 UT = Fri Mar 26 23:59:59 2021 EET isdst=0 gmtoff=7200
Asia/Gaza Fri Mar 26 22:00:00 2021 UT = Sat Mar 27 01:00:00 2021 EEST isdst=1 gmtoff=10800
Asia/Gaza Fri Oct 29 21:59:59 2021 UT = Sat Oct 30 00:59:59 2021 EEST isdst=1 gmtoff=10800
Asia/Gaza Fri Oct 29 22:00:00 2021 UT = Sat Oct 30 00:00:00 2021 EET isdst=0 gmtoff=7200
bdmurray@clean-focal-amd64:~$ sudo apt-get -qq install tzdata
Preconfiguring packages ...
(Reading database ... 267220 files and directories currently installed.)
Preparing to unpack .../tzdata_2021e-0ubuntu0.20.04_all.deb ...
Unpacking tzdata (2021e-0ubuntu0.20.04) over (2021a-2ubuntu0.20.04) ...
Setting up tzdata (2021e-0ubuntu0.20.04) ...

Current default time zone: 'America/Los_Angeles'
Local time is now: Wed Oct 27 10:08:30 PDT 2021.
Universal Time is now: Wed Oct 27 17:08:30 UTC 2021.
Run 'dpkg-reconfigure tzdata' if you wish to change it.

bdmurray@clean-focal-amd64:~$ zdump -v Asia/Gaza | grep 2021
Asia/Gaza Fri Mar 26 21:59:59 2021 UT = Fri Mar 26 23:59:59 2021 EET isdst=0 gmtoff=7200
Asia/Gaza Fri Mar 26 22:00:00 2021 UT = Sat Mar 27 01:00:00 2021 EEST isdst=1 gmtoff=10800
Asia/Gaza Thu Oct 28 21:59:59 2021 UT = Fri Oct 29 00:59:59 2021 EEST isdst=1 gmtoff=10800
Asia/Gaza Thu Oct 28 22:00:00 2021 UT = Fri Oct 29 00:00:00 2021 EET isdst=0 gmtoff=7200

And the icu data verification on focal:

bdmurray@clean-focal-amd64:~$ python3 -c 'from datetime import datetime; from icu import ICUtzinfo, TimeZone; tz = ICUtzinfo(TimeZone.creat
eTimeZone("Asia/Gaza")); print(str(tz.utcoffset(datetime(2021, 10, 28))))'
3:00:00
bdmurray@clean-focal-amd64:~$ python3 -c 'from datetime import datetime; from icu import ICUtzinfo, TimeZone; tz = ICUtzinfo(TimeZone.creat
eTimeZone("Asia/Gaza")); print(str(tz.utcoffset(datetime(2021, 10, 29))))'
2:00:00