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Releases: evansiroky/timezone-boundary-builder

2025c

08 Jan 08:04

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Zone Changes

  • Merge ocean zones into other zones that have similar timekeeping methods in 1970 with oceans and Now with oceans data products. (#187)
  • Update to latest OSM data

Other Changes

  • Include mapping of combined zones with similar timekeeping methods as release outputs. (#195)
  • Update Readme with notes on zone merging including visualizations. (#194)
  • Improve algorithm for calculating zones with similar timekeeping methods. (#191)

2025b

24 Mar 06:16

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Zone Changes

  • Add new zone America/Coyhaique by taking area from America/Santiago.
  • Directly use OpenStreetMap data for areas in North and South Dakota.
  • Update to latest OSM data

2025a

21 Jan 05:58

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Zone Changes

  • Update to latest OSM data

2024b

10 Sep 06:02

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Zone Changes

  • Remove Asia/Choibalsan as it has been moved to the "backward" file in the timezone database.
  • Add an expected zone overlap between Asia/Pyongyang and Asia/Shanghai for a disputed area within the Tumen River.
  • Explicitly include Kalapani Territory in both Asia/Kathmandu and Asia/Kolkata.
  • Update to latest OSM data

Other Changes

  • Update a few npm pacakges.

2024a

14 Mar 06:43

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Zone Changes

  • Update to reflect "same since now" changes taking effect in Kazakhstan
  • Update to latest OSM data

Other Changes

  • Add GitHub Action to create a new issue upon detecting a new timezone database release (#169)
  • Additional notes in #168

2023d

29 Dec 10:28

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Zone Changes

  • Directly use OpenStreetMap timezone relations for the following zones:
    • Asia/Shanghai
    • Asia/Tashkent
    • Asia/Thimphu
    • Asia/Urumqi
    • Asia/Yangon
    • Asia/Yekaterinburg
    • Australia/Adelaide
    • Australia/Brisbane
    • Australia/Darwin
    • Australia/Hobart
    • Australia/Lindeman
    • Australia/Lord_Howe
    • Australia/Melbourne
    • Australia/Perth
    • Europe/Astrakhan
    • Europe/Berlin
    • Europe/Busingen
    • Europe/Kirov
    • Europe/Kyiv
    • Europe/Moscow
    • Europe/Paris
    • Europe/Samara
    • Europe/Saratov
    • Europe/Volgograd
    • Indian/Kerguelen
    • Pacific/Auckland
    • Pacific/Gambier
    • Pacific/Guam
    • Pacific/Honolulu
    • Pacific/Kwajalein
    • Pacific/Majuro
    • Pacific/Midway
    • Pacific/Noumea
    • Pacific/Pago_Pago
    • Pacific/Pitcairn
    • Pacific/Tahiti
  • Update to latest OSM data

Other Changes

  • Add code to be able to output additional release products (#145)
    • Add output of zones that share same timekeeping method since 1970
    • Add output of zones that share same timekeeping method since the current time
  • Add caching of various operations to reuse data from previous calculations
  • Refactor input data output
    • Move downloads to dedicated folder
    • Add cached data to dedicated folder
    • Include root-level files in root of zip file
  • Add ability to reuse downloaded OSM timezone comparison data by copying it to the working directory and reusing it on calculation retries
  • Refactor README noting new release types
  • Note Sponsorship Opportunity

2023b

26 Mar 08:09

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Zone Changes

  • Directly use OpenStreetMap timezone relations for the following zones:
    • Africa/Porto-Novo
    • America/Anchorage
    • America/Fortaleza
    • America/Havana
    • America/Metlakatla
    • America/Nome
    • America/Noronha
    • America/Nuuk
    • America/Puerto_Rico
    • America/Punta_Arenas
    • America/Recife
    • America/Santiago
    • America/Sao_Paulo
    • America/Sitka
    • America/St_Thomas
    • Arctic/Longyearbyen
    • Asia/Aqtau
    • Asia/Atyrau
    • Asia/Bangkok
    • Asia/Famagusta
    • Asia/Gaza
    • Asia/Hebron
    • Asia/Ho_Chi_Minh
    • Asia/Jerusalem
    • Asia/Kamchatka
    • Asia/Khandyga
    • Asia/Krasnoyarsk
    • Asia/Kuala_Lumpur
    • Asia/Magadan
    • Asia/Nicosia
    • Asia/Pyongyang
    • Asia/Qostanay
    • Asia/Qyzylorda
    • Asia/Srednekolymsk
    • Asia/Ust-Nera
    • Asia/Vladivostok
    • Asia/Yakutsk
    • Pacific/Easter
  • Allow timezones America/Anchorage and America/Dawson to overlap (#145)
  • Update to latest OSM data

2022g

02 Dec 22:42

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Zone Changes

  • Merge America/Pangnirtung into America/Iqaluit
  • Create new zone America/Ciudad_Juarez by taking area from America/Ojinaga
  • Allow timezones Europe/Ljubljana and Europe/Zagreb to overlap
  • Directly use OpenStreetMap timezone relations for the following zones:
    • Africa/Cairo
    • Africa/Casablanca
    • Africa/Ceuta
    • Africa/El_Aaiun
    • Africa/Johannesburg
    • Africa/Juba
    • Africa/Kinshasa
    • Africa/Lubumbashi
    • Africa/Ouagadougou
    • America/Adak
    • America/Danmarkshavn
    • America/Lower_Princes
    • America/Maceio
    • America/Marigot
    • America/Scoresbysund
    • America/Thule
    • Asia/Almaty
    • Asia/Barnaul
    • Asia/Choibalsan
    • Asia/Hovd
    • Asia/Irkutsk
    • Asia/Jakarta
    • Asia/Jayapura
    • Asia/Kuching
    • Asia/Makassar
    • Asia/Novokuznetsk
    • Asia/Omsk
    • Asia/Pontianak
    • Asia/Sakhalin
    • Asia/Samarkand
    • Asia/Ulaanbaatar
    • Atlantic/Azores
    • Atlantic/Canary
    • Atlantic/Madeira
    • Europe/Amsterdam
    • Europe/Belgrade
    • Europe/Helsinki
    • Europe/Lisbon
    • Europe/Ljubljana
    • Europe/London
    • Europe/Madrid
    • Europe/Oslo
    • Europe/Simferopol
    • Europe/Vienna
    • Indian/Chagos
    • Indian/Christmas
    • Indian/Cocos
    • Indian/Mayotte
    • Indian/Reunion
    • Pacific/Chatham
    • Pacific/Chuuk
    • Pacific/Galapagos
    • Pacific/Kanton
    • Pacific/Kiritimati
    • Pacific/Marquesas
    • Pacific/Norfolk
    • Pacific/Port_Moresby
    • Pacific/Rarotonga
    • Pacific/Tarawa
    • Pacific/Wake
    • Pacific/Wallis
  • Update to latest OSM data

2022f

31 Oct 15:01

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Zone Changes

  • Remove America/Nipigon and America/Thunder_Bay. Those areas are now covered by America/Toronto. (#131)
  • Remove America/Rainy_River. That area is now covered by America/Winnipeg. (#131)
  • Update to latest OSM data

2022d

30 Oct 06:41

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Zone Changes

  • Remove Europe/Uzhgorod and Europe/Zaporozhye. Those areas are now covered by Europe/Kyiv.
  • Directly use OpenStreetMap timezone relations for the following zones:
    • Africa/Abidjan
    • Africa/Accra
    • Africa/Addis_Ababa
    • Africa/Algiers
    • Africa/Asmara
    • Africa/Bamako
    • Africa/Bangui
    • Africa/Banjul
    • Africa/Bissau
    • Africa/Blantyre
    • Africa/Brazzaville
    • Africa/Bujumbura
    • Africa/Conakry
    • Africa/Dakar
    • Africa/Dar_es_Salaam
    • Africa/Djibouti
    • Africa/Douala
    • Africa/Freetown
    • Africa/Gaborone
    • Africa/Harare
    • Africa/Kampala
    • Africa/Khartoum
    • Africa/Kigali
    • Africa/Lagos
    • Africa/Libreville
    • Africa/Lome
    • Africa/Luanda
    • Africa/Lusaka
    • Africa/Malabo
    • Africa/Maputo
    • Africa/Maseru
    • Africa/Mbabane
    • Africa/Mogadishu
    • Africa/Monrovia
    • Africa/Nairobi
    • Africa/Ndjamena
    • Africa/Niamey
    • Africa/Nouakchott
    • Africa/Sao_Tome
    • Africa/Tripoli
    • Africa/Tunis
    • Africa/Windhoek
    • America/Managua
    • America/Martinique
    • America/Montevideo
    • America/Montserrat
    • America/Nassau
    • America/Panama
    • America/Paramaribo
    • America/Port-au-Prince
    • America/Port_of_Spain
    • America/Porto_Velho
    • America/Rio_Branco
    • America/Santo_Domingo
    • America/St_Barthelemy
    • America/St_Kitts
    • America/St_Lucia
    • America/St_Vincent
    • America/Tegucigalpa
    • America/Tortola
    • Asia/Aden
    • Asia/Amman
    • Asia/Anadyr
    • Asia/Aqtobe
    • Asia/Ashgabat
    • Asia/Baghdad
    • Asia/Bahrain
    • Asia/Baku
    • Asia/Beirut
    • Asia/Bishkek
    • Asia/Brunei
    • Asia/Chita
    • Asia/Colombo
    • Asia/Damascus
    • Asia/Dhaka
    • Asia/Dili
    • Asia/Dubai
    • Asia/Dushanbe
    • Asia/Hong_Kong
    • Asia/Kabul
    • Asia/Karachi
    • Asia/Kathmandu
    • Asia/Kolkata
    • Asia/Kuwait
    • Asia/Macau
    • Asia/Manila
    • Asia/Muscat
    • Asia/Novosibirsk
    • Asia/Oral
    • Asia/Phnom_Penh
    • Asia/Qatar
    • Asia/Riyadh
    • Asia/Seoul
    • Asia/Singapore
    • Asia/Taipei
    • Asia/Tbilisi
    • Asia/Tehran
    • Asia/Tokyo
    • Asia/Tomsk
    • Asia/Vientiane
    • Asia/Yerevan
    • Atlantic/Bermuda
    • Atlantic/Cape_Verde
    • Atlantic/Faroe
    • Atlantic/Reykjavik
    • Atlantic/South_Georgia
    • Atlantic/St_Helena
    • Atlantic/Stanley
    • Europe/Andorra
    • Europe/Athens
    • Europe/Bratislava
    • Europe/Brussels
    • Europe/Bucharest
    • Europe/Budapest
    • Europe/Chisinau
    • Europe/Copenhagen
    • Europe/Dublin
    • Europe/Gibraltar
    • Europe/Guernsey
    • Europe/Isle_of_Man
    • Europe/Istanbul
    • Europe/Jersey
    • Europe/Kaliningrad
    • Europe/Luxembourg
    • Europe/Malta
    • Europe/Mariehamn
    • Europe/Minsk
    • Europe/Monaco
    • Europe/Podgorica
    • Europe/Prague
    • Europe/Riga
    • Europe/Rome
    • Europe/San_Marino
    • Europe/Sarajevo
    • Europe/Skopje
    • Europe/Sofia
    • Europe/Stockholm
    • Europe/Tallinn
    • Europe/Tirane
    • Europe/Ulyanovsk
    • Europe/Vaduz
    • Europe/Vatican
    • Europe/Vilnius
    • Europe/Warsaw
    • Europe/Zagreb
    • Europe/Zurich
    • Indian/Antananarivo
    • Indian/Comoro
    • Indian/Mahe
    • Indian/Maldives
    • Indian/Mauritius
    • Pacific/Apia
    • Pacific/Bougainville
    • Pacific/Efate
    • Pacific/Fakaofo
    • Pacific/Fiji
    • Pacific/Funafuti
    • Pacific/Guadalcanal
    • Pacific/Kosrae
    • Pacific/Nauru
    • Pacific/Niue
    • Pacific/Palau
    • Pacific/Pohnpei
    • Pacific/Tongatapu
  • Update relations used to make China-Bhutan disputed areas
  • Update to latest OSM data