Invalid and inconsistent Timezones in States and Countries

[alex-gabor]

After timezone were added to States, I've noticed many inconsistencies and invalid canonical timezones that are used throughout States and Countries.

Timezone IDs present in States and missing from Countries.
The ones starting with Etc are not officianl canonical timezones and not tied to real-world location, so should be replaced. They're a fixed, location-agnostic time zone used mostly in systems or apps.

America/Kralendijk
Etc/GMT+1
Etc/GMT+11
Etc/GMT+12
Etc/GMT+4
Etc/GMT+6
Etc/GMT+7
Etc/GMT-12
Etc/GMT-5
Etc/GMT-9

Timezone IDs present in Countries but never showing up in States:

America/Adak
America/Atikokan
America/Bahia_Banderas
America/Blanc-Sablon
America/Cambridge_Bay
America/Creston
America/Curacao
America/Danmarkshavn
America/Dawson
America/Dawson_Creek
America/Eirunepe
America/Fort_Nelson
America/Glace_Bay
America/Indiana/Knox
America/Indiana/Marengo
America/Indiana/Petersburg
America/Indiana/Tell_City
America/Indiana/Vevay
America/Indiana/Vincennes
America/Indiana/Winamac
America/Inuvik
America/Iqaluit
America/Juneau
America/Metlakatla
America/Nome
America/Pangnirtung
America/Rankin_Inlet
America/Sitka
America/Whitehorse
America/Yakutat
Antarctica/Casey
Antarctica/Davis
Antarctica/DumontDUrville
Antarctica/Macquarie
Antarctica/Mawson
Antarctica/McMurdo
Antarctica/Palmer
Antarctica/Rothera
Antarctica/Syowa
Antarctica/Troll
Antarctica/Vostok
Arctic/Longyearbyen
Asia/Anadyr
Asia/Chita
Asia/Choibalsan
Asia/Kamchatka
Asia/Khandyga
Asia/Magadan
Asia/Srednekolymsk
Asia/Ust-Nera
Atlantic/Jan_Mayen
Australia/Broken_Hill
Australia/Currie
Europe/Mariehamn
Europe/Minsk
Europe/San_Marino
Europe/Vatican
Pacific/Chatham
Pacific/Chuuk
Pacific/Efate
Pacific/Enderbury
Pacific/Fakaofo
Pacific/Funafuti
Pacific/Gambier
Pacific/Kanton
Pacific/Kiritimati
Pacific/Kosrae
Pacific/Majuro
Pacific/Nauru
Pacific/Niue
Pacific/Norfolk
Pacific/Palau
Pacific/Pohnpei
Pacific/Port_Moresby
Pacific/Rarotonga
Pacific/Saipan
Pacific/Tarawa
Pacific/Tongatapu
Pacific/Wake
Pacific/Wallis
US/Alaska
US/Aleutian

[alex-gabor]

@dr5hn you've probably missed my comment in here, so following-up with a related topic: is there a plan to update cities with timezones anytime soon? Currently they are null for all entries.