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Inconsistencies in time zones  XML
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jnyrup



Joined: 04/01/2017 11:19:03
Messages: 5
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5288696 Tipton Airport is:
* Located in United States (US) -> Maryland (MD) -> Anne Arundel County (003)
* Tagged with time zone America/Phoenix (UTC-7) (I have changed it in the web frontend)

4347283 Anne Arundel County is:
* Tagged with time zone America/New_York (US) (UTC-4/5)

Is there any form of checks when the timezone on a point differs from the time zone on it's most specific hierachy?

Below are three lists of potential problematic points.
Disclaimers:
1) I haven't checked them all to see if they are false positives.
2) The data might be sligthly mixed with other data sources.


Here's a list on 310 airports, where the timezone on GeoNames differs from the time zone found on the coordinate using https://github.com/mj1856/GeoTimeZone
[list]57A: id:America/Metlakatla, pos:America/Sitka
5R5: id:America/Chicago, pos:America/New_York
96Z: id:America/Metlakatla, pos:America/Sitka
BGCO: id:America/Scoresbysund, pos:America/Danmarkshavn
CCE4: id:America/St_Johns, pos:America/Goose_Bay
CSH4: id:America/Toronto, pos:America/Montreal
CSR8: id:America/Toronto, pos:America/Montreal
CSU2: id:America/Toronto, pos:America/Montreal
CTK6: id:America/Blanc-Sablon, pos:America/Montreal
CTU2: id:America/Toronto, pos:America/Montreal
CYAD: id:America/Toronto, pos:America/Montreal
CYAH: id:America/Toronto, pos:America/Montreal
CYAM: id:America/Toronto, pos:America/Detroit
CYAS: id:America/Toronto, pos:America/Montreal
CYBC: id:America/Toronto, pos:America/Montreal
CYBG: id:America/Toronto, pos:America/Montreal
CYDO: id:America/Toronto, pos:America/Montreal
CYEY: id:America/Toronto, pos:America/Montreal
CYFE: id:America/Toronto, pos:America/Montreal
CYFJ: id:America/Toronto, pos:America/Montreal
CYGL: id:America/Toronto, pos:America/Montreal
CYGP: id:America/Toronto, pos:America/Montreal
CYGV: id:America/Toronto, pos:America/Montreal
CYGW: id:America/Toronto, pos:America/Iqaluit
CYHA: id:America/Toronto, pos:America/Iqaluit
CYHH: id:America/Toronto, pos:America/Montreal
CYHU: id:America/Toronto, pos:America/Montreal
CYIK: id:America/Toronto, pos:America/Iqaluit
CYJN: id:America/Toronto, pos:America/Montreal
CYKG: id:America/Toronto, pos:America/Montreal
CYKL: id:America/Toronto, pos:America/Montreal
CYKO: id:America/Toronto, pos:America/Iqaluit
CYKQ: id:America/Toronto, pos:America/Montreal
CYLA: id:America/Toronto, pos:America/Montreal
CYLQ: id:America/Toronto, pos:America/Montreal
CYLU: id:America/Iqaluit, pos:America/Montreal
CYME: id:America/Toronto, pos:America/Montreal
CYML: id:America/Toronto, pos:America/Montreal
CYMT: id:America/Toronto, pos:America/Montreal
CYMU: id:America/Toronto, pos:America/Iqaluit
CYMW: id:America/Toronto, pos:America/Montreal
CYMX: id:America/Toronto, pos:America/Montreal
CYNA: id:America/Toronto, pos:America/Montreal
CYNC: id:America/Toronto, pos:America/Montreal
CYND: id:America/Toronto, pos:America/Montreal
CYNM: id:America/Toronto, pos:America/Montreal
CYOY: id:America/Toronto, pos:America/Montreal
CYPH: id:America/Toronto, pos:America/Montreal
CYPN: id:America/Toronto, pos:America/Montreal
CYPP: id:America/Toronto, pos:America/Montreal
CYPX: id:America/Toronto, pos:America/Montreal
CYQB: id:America/Toronto, pos:America/Montreal
CYRC: id:America/Toronto, pos:America/Montreal
CYRI: id:America/Toronto, pos:America/Montreal
CYRJ: id:America/Toronto, pos:America/Montreal
CYRO: id:America/Toronto, pos:America/Montreal
CYRQ: id:America/Toronto, pos:America/Montreal
CYSC: id:America/Toronto, pos:America/Montreal
CYSM: id:America/Yellowknife, pos:America/Edmonton
CYSZ: id:America/Vancouver, pos:America/Montreal
CYTF: id:America/Toronto, pos:America/Montreal
CYTQ: id:America/Toronto, pos:America/Montreal
CYUL: id:America/Toronto, pos:America/Montreal
CYUY: id:America/Toronto, pos:America/Montreal
CYVB: id:America/Toronto, pos:America/Montreal
CYVO: id:America/Toronto, pos:America/Montreal
CYVP: id:America/Toronto, pos:America/Montreal
CYXK: id:America/Toronto, pos:America/Montreal
CYXX: id:America/Vancouver, pos:America/Los_Angeles
CYYY: id:America/Toronto, pos:America/Montreal
CYZG: id:America/Toronto, pos:America/Montreal
CYZS: id:America/Atikokan, pos:America/Coral_Harbour
CYZV: id:America/Toronto, pos:America/Montreal
CZBM: id:America/Toronto, pos:America/Montreal
CZEM: id:America/Toronto, pos:America/Montreal
CZGF: id:America/Vancouver, pos:America/Los_Angeles
DBBO: id:Africa/Porto-Novo, pos:Africa/Ouagadougou
EBWE: id:Europe/Brussels, pos:Europe/Amsterdam
EDLS: id:Europe/Berlin, pos:Europe/Amsterdam
EDLV: id:Europe/Berlin, pos:Europe/Amsterdam
EKHO: id:Europe/Copenhagen, pos:Etc/GMT-1
EKTD: id:Europe/Copenhagen, pos:Europe/Berlin
ENDR: id:Europe/Oslo, pos:Etc/GMT-1
ENEK: id:Europe/Oslo, pos:UTC
ENFB: id:Europe/Oslo, pos:UTC
ENGC: id:Europe/Oslo, pos:UTC
ENHE: id:Europe/Oslo, pos:UTC
ENOA: id:Europe/Oslo, pos:UTC
ETNG: id:Europe/Berlin, pos:Europe/Amsterdam
FTTJ: id:Africa/Ndjamena, pos:Africa/Douala
FXMU: id:Africa/Maseru, pos:Africa/Johannesburg
FXQN: id:Africa/Maseru, pos:Africa/Johannesburg
FYOG: id:Africa/Windhoek, pos:Africa/Johannesburg
FZNA: id:Africa/Lubumbashi, pos:Africa/Kigali
GECE: id:Africa/Ceuta, pos:Africa/Casablanca
GEML: id:Africa/Ceuta, pos:Africa/Casablanca
GMMA: id:Africa/Casablanca, pos:Africa/El_Aaiun
GMMH: id:Africa/Casablanca, pos:Africa/El_Aaiun
GMML: id:Africa/Casablanca, pos:Africa/El_Aaiun
GOGS: id:Africa/Dakar, pos:Africa/Bissau
GQNK: id:Africa/Nouakchott, pos:Africa/Dakar
HKBA: id:Africa/Nairobi, pos:Africa/Kampala
HKLT: id:Africa/Nairobi, pos:Africa/Dar_es_Salaam
HKMA: id:Africa/Nairobi, pos:Africa/Addis_Ababa
HRYN: id:Africa/Kigali, pos:Africa/Bujumbura
KAZC: id:America/Phoenix, pos:America/Denver
KCDK: id:America/Kentucky/Monticello, pos:America/New_York
KDGL: id:America/Phoenix, pos:America/Hermosillo
KDOV: id:America/Indiana/Indianapolis, pos:America/New_York
KEPM: id:America/New_York, pos:America/Moncton
KFME: id:America/Phoenix, pos:America/New_York
KHII: id:America/Phoenix, pos:America/Los_Angeles
KHUL: id:America/New_York, pos:America/Moncton
KIMT: id:America/Menominee, pos:America/Chicago
KLSF: id:America/New_York, pos:America/Chicago
KMNM: id:America/Menominee, pos:America/Chicago
KPGA: id:America/Phoenix, pos:America/Denver
KRAS: id:America/Indiana/Tell_City, pos:America/Chicago
L41: id:America/Phoenix, pos:America/Denver
LCEN: id:Asia/Nicosia, pos:Asia/Famagusta
LCGK: id:Asia/Nicosia, pos:Asia/Famagusta
LDOR: id:Europe/Zagreb, pos:Europe/Sarajevo
LFAK: id:Europe/Paris, pos:Europe/Brussels
LFGS: id:Europe/Paris, pos:Europe/Brussels
LFGU: id:Europe/Paris, pos:Europe/Berlin
LFYS: id:Europe/Paris, pos:Europe/Madrid
LIPG: id:Europe/Rome, pos:Europe/Ljubljana
LLER: id:Asia/Jerusalem, pos:Asia/Amman
LLET: id:Asia/Jerusalem, pos:Asia/Amman
LLEY: id:Asia/Jerusalem, pos:Asia/Amman
LOWS: id:Europe/Vienna, pos:Europe/Berlin
LOXS: id:Europe/Vienna, pos:Europe/Berlin
LQBI: id:Europe/Zagreb, pos:Europe/Sarajevo
LSGG: id:Europe/Zurich, pos:Europe/Paris
LSZR: id:Europe/Zurich, pos:Europe/Vienna
LVGZ: id:Asia/Gaza, pos:Africa/Cairo
MDDJ: id:America/Santo_Domingo, pos:America/Port-au-Prince
MMCM: id:America/Merida, pos:America/Cancun
MMGR: id:America/Tijuana, pos:America/Mazatlan
MMLT: id:America/Hermosillo, pos:America/Mazatlan
MMPR: id:America/Mexico_City, pos:America/Bahia_Banderas
MMTJ: id:America/Tijuana, pos:America/Los_Angeles
MMTP: id:America/Merida, pos:America/Mexico_City
MMVA: id:America/Merida, pos:America/Mexico_City
MMZC: id:America/Monterrey, pos:America/Mexico_City
MN70: id:America/Denver, pos:America/Chicago
MNSN: id:America/Managua, pos:America/Costa_Rica
NTMD: idacific/Tahiti, posacific/Marquesas
O18: id:America/Los_Angeles, pos:America/Chicago
OOBR: id:Asia/Muscat, pos:Asia/Dubai
OYBQ: id:Asia/Riyadh, pos:Asia/Aden
PADM: id:America/Nome, pos:America/Anchorage
PAHY: id:America/Metlakatla, pos:America/Sitka
PAKK: id:America/Nome, pos:America/Anchorage
PAKO: id:America/Adak, pos:America/Nome
PAKW: id:America/Juneau, pos:America/Sitka
PAPB: id:America/Adak, pos:America/Nome
PAPG: id:America/Juneau, pos:America/Sitka
PAPM: id:America/Nome, pos:America/Anchorage
PAQC: id:America/Metlakatla, pos:America/Sitka
PASN: id:America/Adak, pos:America/Nome
PCGA: id:America/Juneau, pos:America/Sitka
PHYL: id:America/Juneau, pos:America/Sitka
PKMA: idacific/Pohnpei, posacific/Majuro
PKWF: id:America/Juneau, pos:America/Sitka
PLPA: idacific/Johnston, pos:Etc/GMT+11
PTYA: idacific/Chuuk, posacific/Yap
RCBS: id:Asia/Taipei, pos:Asia/Shanghai
RCSP: id:Asia/Shanghai, pos:Asia/Taipei
SAHS: id:America/Argentina/Salta, pos:America/Argentina/Mendoza
SAWB: id:Antarctica/Palmer, pos:Etc/GMT+4
SBAR: id:America/Noronha, pos:America/Maceio
SBCI: id:America/Araguaina, pos:America/Fortaleza
SBCJ: id:America/Araguaina, pos:America/Belem
SBCZ: id:America/Eirunepe, pos:America/Rio_Branco
SBEK: id:America/Manaus, pos:America/Santarem
SBFI: id:America/Sao_Paulo, pos:America/Argentina/Cordoba
SBHT: id:America/Manaus, pos:America/Santarem
SBIH: id:America/Manaus, pos:America/Santarem
SBIZ: id:America/Araguaina, pos:America/Fortaleza
SBJP: id:America/Recife, pos:America/Fortaleza
SBKG: id:America/Recife, pos:America/Fortaleza
SBMA: id:America/Araguaina, pos:America/Belem
SBMK: id:America/Bahia, pos:America/Sao_Paulo
SBNT: id:America/Recife, pos:America/Fortaleza
SBPL: id:America/Bahia, pos:America/Recife
SBPP: id:America/Campo_Grande, pos:America/Asuncion
SBSL: id:America/Belem, pos:America/Fortaleza
SBSN: id:America/Manaus, pos:America/Santarem
SBTK: id:America/Eirunepe, pos:America/Rio_Branco
SBTT: id:America/Porto_Velho, pos:America/Bogota
SBUA: id:America/Boa_Vista, pos:America/Manaus
SBUF: id:America/Maceio, pos:America/Bahia
SBYA: id:America/Boa_Vista, pos:America/Bogota
SCAR: id:America/Santiago, pos:America/Lima
SCEY: id:America/Santiago, pos:America/Argentina/Rio_Gallegos
SCGZ: id:America/Santiago, pos:America/Argentina/Ushuaia
SCIO: id:America/Santiago, pos:America/Argentina/Rio_Gallegos
SCOH: id:America/Argentina/Rio_Gallegos, pos:America/Santiago
SCRM: id:Antarctica/Palmer, pos:Etc/GMT+4
SDOW: id:America/Santarem, pos:America/Belem
SEPT: id:America/Guayaquil, pos:America/Bogota
SGPI: id:America/Asuncion, pos:America/Argentina/Cordoba
SIBY: id:America/Recife, pos:America/Fortaleza
SJVO: id:America/Sao_Paulo, pos:America/Cuiaba
SLBJ: id:America/La_Paz, pos:America/Argentina/Salta
SLTI: id:America/La_Paz, pos:America/Cuiaba
SNDC: id:America/Santarem, pos:America/Belem
SNFX: id:America/Santarem, pos:America/Belem
SNKE: id:America/Santarem, pos:America/Belem
SNKK: id:America/Recife, pos:America/Fortaleza
SNKN: id:America/Recife, pos:America/Fortaleza
SNMZ: id:America/Santarem, pos:America/Belem
SNOY: id:America/Fortaleza, pos:America/Recife
SNTB: id:America/Maceio, pos:America/Recife
SNVS: id:America/Santarem, pos:America/Belem
SOOG: id:America/Cayenne, pos:America/Belem
SSGY: id:America/Sao_Paulo, pos:America/Campo_Grande
SVPA: id:America/Caracas, pos:America/Bogota
SVSA: id:America/Caracas, pos:America/Bogota
SWEI: id:America/Manaus, pos:America/Eirunepe
SWII: id:America/Manaus, pos:America/Bogota
SWST: id:America/Cuiaba, pos:America/Araguaina
SYKS: id:America/Guyana, pos:America/Boa_Vista
SYLT: id:America/Guyana, pos:America/Boa_Vista
SYOR: id:America/Guyana, pos:America/Boa_Vista
TFFG: id:America/Marigot, pos:America/Lower_Princes
TT02: idacific/Chuuk, posacific/Yap
UATG: id:Asia/Oral, pos:Asia/Atyrau
UEMA: id:Asia/Magadan, pos:Asia/Srednekolymsk
UEMH: id:Asia/Vladivostok, pos:Asia/Khandyga
UESG: id:Asia/Magadan, pos:Asia/Srednekolymsk
UESO: id:Asia/Magadan, pos:Asia/Srednekolymsk
UESS: id:Asia/Magadan, pos:Asia/Srednekolymsk
UESU: id:Asia/Magadan, pos:Asia/Srednekolymsk
UHPT: id:Asia/Anadyr, pos:Asia/Kamchatka
UHSI: id:Asia/Magadan, pos:Asia/Ust-Nera
UHSM: id:Asia/Sakhalin, pos:Asia/Ust-Nera
UIAA: id:Asia/Yakutsk, pos:Asia/Chita
UKCC: id:Europe/Zaporozhye, pos:Europe/Kiev
UKCM: id:Europe/Zaporozhye, pos:Europe/Kiev
UKCS: id:Europe/Zaporozhye, pos:Europe/Kiev
UKCW: id:Europe/Zaporozhye, pos:Europe/Kiev
UKDD: id:Europe/Zaporozhye, pos:Europe/Kiev
UKDR: id:Europe/Zaporozhye, pos:Europe/Kiev
UKHH: id:Europe/Zaporozhye, pos:Europe/Kiev
UKHP: id:Europe/Zaporozhye, pos:Europe/Kiev
UKKG: id:Europe/Zaporozhye, pos:Europe/Kiev
UKLI: id:Europe/Uzhgorod, pos:Europe/Kiev
UKLL: id:Europe/Uzhgorod, pos:Europe/Kiev
UKLN: id:Europe/Uzhgorod, pos:Europe/Kiev
UKLT: id:Europe/Uzhgorod, pos:Europe/Kiev
UKLU: id:Europe/Uzhgorod, pos:Europe/Bratislava
UKOH: id:Europe/Simferopol, pos:Europe/Kiev
UKOO: id:Europe/Simferopol, pos:Europe/Kiev
UNBB: id:Asia/Omsk, pos:Asia/Barnaul
UNBG: id:Asia/Omsk, pos:Asia/Barnaul
UWSS: id:Europe/Volgograd, pos:Europe/Saratov
VEAT: id:Asia/Kolkata, pos:Asia/Dhaka
VLHS: id:Asia/Vientiane, pos:Asia/Bangkok
VLSK: id:Asia/Vientiane, pos:Asia/Bangkok
VQGP: id:Asia/Thimphu, pos:Asia/Kolkata
WAOC: id:Asia/Jakarta, pos:Asia/Makassar
WAON: id:Asia/Jakarta, pos:Asia/Makassar
WAWP: id:Asia/Jakarta, pos:Asia/Makassar
WBGJ: id:Asia/Kuching, pos:Asia/Brunei
WIBS: id:Asia/Pontianak, pos:Asia/Jakarta
WN69: id:America/New_York, pos:America/Chicago
WSSL: id:Asia/Singapore, pos:Asia/Kuala_Lumpur
YBOI: idacific/Port_Moresby, pos:Australia/Brisbane
YBPI: id:Australia/Lindeman, pos:Australia/Brisbane
YCAG: id:Australia/Perth, pos:Australia/Eucla
YDKI: id:Australia/Lindeman, pos:Australia/Brisbane
YDNI: idacific/Port_Moresby, pos:Australia/Brisbane
YLZI: id:Australia/Lindeman, pos:Australia/Brisbane
YMAA: id:Australia/Lindeman, pos:Australia/Brisbane
YMAY: id:Australia/Sydney, pos:Australia/Melbourne
YPAM: id:Australia/Lindeman, pos:Australia/Brisbane
YYMI: id:Australia/Lindeman, pos:Australia/Brisbane
ZBDS: id:Asia/Shanghai, pos:Asia/Chongqing
ZBHH: id:Asia/Shanghai, pos:Asia/Chongqing
ZBOW: id:Asia/Shanghai, pos:Asia/Chongqing
ZGHC: id:Asia/Shanghai, pos:Asia/Chongqing
ZGKL: id:Asia/Shanghai, pos:Asia/Chongqing
ZGNN: id:Asia/Shanghai, pos:Asia/Chongqing
ZJHK: id:Asia/Shanghai, pos:Asia/Chongqing
ZJSY: id:Asia/Shanghai, pos:Asia/Chongqing
ZLIC: id:Asia/Shanghai, pos:Asia/Chongqing
ZLJQ: id:Asia/Shanghai, pos:Asia/Chongqing
ZLLL: id:Asia/Shanghai, pos:Asia/Chongqing
ZLXN: id:Asia/Shanghai, pos:Asia/Chongqing
ZLXY: id:Asia/Shanghai, pos:Asia/Chongqing
ZLYA: id:Asia/Shanghai, pos:Asia/Chongqing
ZPJH: id:Asia/Shanghai, pos:Asia/Chongqing
ZPLJ: id:Asia/Shanghai, pos:Asia/Chongqing
ZPPP: id:Asia/Shanghai, pos:Asia/Chongqing
ZUCK: id:Asia/Shanghai, pos:Asia/Chongqing
ZUGY: id:Asia/Shanghai, pos:Asia/Chongqing
ZUKD: id:Asia/Shanghai, pos:Asia/Chongqing
ZUUU: id:Asia/Shanghai, pos:Asia/Chongqing
ZUWX: id:Asia/Shanghai, pos:Asia/Chongqing
ZUXC: id:Asia/Shanghai, pos:Asia/Chongqing
ZWSH: id:Asia/Shanghai, pos:Asia/Kashgar
ZWTN: id:Asia/Shanghai, pos:Asia/Kashgar
ZYCC: id:Asia/Shanghai, pos:Asia/Harbin
ZYHB: id:Asia/Shanghai, pos:Asia/Harbin
ZYJM: id:Asia/Shanghai, pos:Asia/Harbin
ZYMD: id:Asia/Shanghai, pos:Asia/Harbin
ZYQQ: id:Asia/Shanghai, pos:Asia/Harbin
ZYYJ: id:Asia/Shanghai, pos:Asia/Harbin[/list]

This gives 140 different time zone pairs:
[list]
"Africa/Casablanca, Africa/El_Aaiun",
"Africa/Ceuta, Africa/Casablanca",
"Africa/Dakar, Africa/Bissau",
"Africa/Kigali, Africa/Bujumbura",
"Africa/Lubumbashi, Africa/Kigali",
"Africa/Maseru, Africa/Johannesburg",
"Africa/Nairobi, Africa/Addis_Ababa",
"Africa/Nairobi, Africa/Dar_es_Salaam",
"Africa/Nairobi, Africa/Kampala",
"Africa/Ndjamena, Africa/Douala",
"Africa/Nouakchott, Africa/Dakar",
"Africa/Porto-Novo, Africa/Ouagadougou",
"Africa/Windhoek, Africa/Johannesburg",
"America/Adak, America/Nome",
"America/Araguaina, America/Belem",
"America/Araguaina, America/Fortaleza",
"America/Argentina/Rio_Gallegos, America/Santiago",
"America/Argentina/Salta, America/Argentina/Mendoza",
"America/Asuncion, America/Argentina/Cordoba",
"America/Atikokan, America/Coral_Harbour",
"America/Bahia, America/Recife",
"America/Bahia, America/Sao_Paulo",
"America/Belem, America/Fortaleza",
"America/Blanc-Sablon, America/Montreal",
"America/Boa_Vista, America/Bogota",
"America/Boa_Vista, America/Manaus",
"America/Campo_Grande, America/Asuncion",
"America/Caracas, America/Bogota",
"America/Cayenne, America/Belem",
"America/Chicago, America/New_York",
"America/Cuiaba, America/Araguaina",
"America/Denver, America/Chicago",
"America/Eirunepe, America/Rio_Branco",
"America/Fortaleza, America/Recife",
"America/Guayaquil, America/Bogota",
"America/Guyana, America/Boa_Vista",
"America/Hermosillo, America/Mazatlan",
"America/Indiana/Indianapolis, America/New_York",
"America/Indiana/Tell_City, America/Chicago",
"America/Iqaluit, America/Montreal",
"America/Juneau, America/Sitka",
"America/Kentucky/Monticello, America/New_York",
"America/La_Paz, America/Argentina/Salta",
"America/La_Paz, America/Cuiaba",
"America/Los_Angeles, America/Chicago",
"America/Maceio, America/Bahia",
"America/Maceio, America/Recife",
"America/Managua, America/Costa_Rica",
"America/Manaus, America/Bogota",
"America/Manaus, America/Eirunepe",
"America/Manaus, America/Santarem",
"America/Marigot, America/Lower_Princes",
"America/Menominee, America/Chicago",
"America/Merida, America/Cancun",
"America/Merida, America/Mexico_City",
"America/Metlakatla, America/Sitka",
"America/Mexico_City, America/Bahia_Banderas",
"America/Monterrey, America/Mexico_City",
"America/Montevideo, America/Monterrey",
"America/New_York, America/Chicago",
"America/New_York, America/Moncton",
"America/Nome, America/Anchorage",
"America/Noronha, America/Maceio",
"America/Phoenix, America/Denver",
"America/Phoenix, America/Hermosillo",
"America/Phoenix, America/Los_Angeles",
"America/Phoenix, America/New_York",
"America/Porto_Velho, America/Bogota",
"America/Recife, America/Fortaleza",
"America/Santarem, America/Belem",
"America/Santiago, America/Argentina/Rio_Gallegos",
"America/Santiago, America/Argentina/Ushuaia",
"America/Santiago, America/Lima",
"America/Santo_Domingo, America/Port-au-Prince",
"America/Sao_Paulo, America/Argentina/Cordoba",
"America/Sao_Paulo, America/Campo_Grande",
"America/Sao_Paulo, America/Cuiaba",
"America/Scoresbysund, America/Danmarkshavn",
"America/St_Johns, America/Goose_Bay",
"America/Tijuana, America/Los_Angeles",
"America/Tijuana, America/Mazatlan",
"America/Toronto, America/Detroit",
"America/Toronto, America/Iqaluit",
"America/Toronto, America/Montreal",
"America/Vancouver, America/Los_Angeles",
"America/Vancouver, America/Montreal",
"America/Yellowknife, America/Edmonton",
"Antarctica/Palmer, Etc/GMT+4",
"Asia/Anadyr, Asia/Kamchatka",
"Asia/Gaza, Africa/Cairo",
"Asia/Jakarta, Asia/Makassar",
"Asia/Jerusalem, Asia/Amman",
"Asia/Kolkata, Asia/Dhaka",
"Asia/Kuching, Asia/Brunei",
"Asia/Magadan, Asia/Srednekolymsk",
"Asia/Magadan, Asia/Ust-Nera",
"Asia/Muscat, Asia/Dubai",
"Asia/Nicosia, Asia/Famagusta",
"Asia/Omsk, Asia/Barnaul",
"Asia/Oral, Asia/Atyrau",
"Asia/Pontianak, Asia/Jakarta",
"Asia/Riyadh, Asia/Aden",
"Asia/Sakhalin, Asia/Ust-Nera",
"Asia/Shanghai, Asia/Chongqing",
"Asia/Shanghai, Asia/Harbin",
"Asia/Shanghai, Asia/Kashgar",
"Asia/Shanghai, Asia/Taipei",
"Asia/Singapore, Asia/Kuala_Lumpur",
"Asia/Taipei, Asia/Shanghai",
"Asia/Thimphu, Asia/Kolkata",
"Asia/Vientiane, Asia/Bangkok",
"Asia/Vladivostok, Asia/Khandyga",
"Asia/Yakutsk, Asia/Chita",
"Australia/Lindeman, Australia/Brisbane",
"Australia/Perth, Australia/Eucla",
"Australia/Sydney, Australia/Melbourne",
"Europe/Berlin, Europe/Amsterdam",
"Europe/Brussels, Europe/Amsterdam",
"Europe/Copenhagen, Etc/GMT-1",
"Europe/Copenhagen, Europe/Berlin",
"Europe/Oslo, Etc/GMT-1",
"Europe/Oslo, UTC",
"Europe/Paris, Europe/Berlin",
"Europe/Paris, Europe/Brussels",
"Europe/Paris, Europe/Madrid",
"Europe/Rome, Europe/Ljubljana",
"Europe/Simferopol, Europe/Kiev",
"Europe/Uzhgorod, Europe/Bratislava",
"Europe/Uzhgorod, Europe/Kiev",
"Europe/Vienna, Europe/Berlin",
"Europe/Volgograd, Europe/Saratov",
"Europe/Zagreb, Europe/Sarajevo",
"Europe/Zaporozhye, Europe/Kiev",
"Europe/Zurich, Europe/Paris",
"Europe/Zurich, Europe/Vienna",
"Pacific/Chuuk, Pacific/Yap",
"Pacific/Johnston, Etc/GMT+11",
"Pacific/Pohnpei, Pacific/Majuro",
"Pacific/Port_Moresby, Australia/Brisbane",
"Pacific/Tahiti, Pacific/Marquesas"
[/list]

For 58 of those time zone pairs, the difference in time zones resulted in DateTime.UTCNow had different UTC offsets and/or DST using http://nodatime.org/
[list]
Africa/Ceuta, Africa/Casablanca: Offset diff:2 (+02, +00)DST (True, False)
Africa/Porto-Novo, Africa/Ouagadougou: Offset diff:1 (+01, +00)
Africa/Windhoek, Africa/Johannesburg: Offset diff:1 (+01, +02)
America/Adak, America/Nome: Offset diff:1 (-09, -0
America/Argentina/Rio_Gallegos, America/Santiago: Offset diff:1 (-03, -04)
America/Asuncion, America/Argentina/Cordoba: Offset diff:1 (-04, -03)
America/Blanc-Sablon, America/Montreal: DST (False, True)
America/Boa_Vista, America/Bogota: Offset diff:1 (-04, -05)
America/Caracas, America/Bogota: Offset diff:1 (-04, -05)
America/Chicago, America/New_York: Offset diff:1 (-05, -04)
America/Cuiaba, America/Araguaina: Offset diff:1 (-04, -03)
America/Denver, America/Chicago: Offset diff:1 (-06, -05)
America/Hermosillo, America/Mazatlan: Offset diff:1 (-07, -06)DST (False, True)
America/La_Paz, America/Argentina/Salta: Offset diff:1 (-04, -03)
America/Los_Angeles, America/Chicago: Offset diff:2 (-07, -05)
America/Manaus, America/Bogota: Offset diff:1 (-04, -05)
America/Manaus, America/Eirunepe: Offset diff:1 (-04, -05)
America/Manaus, America/Santarem: Offset diff:1 (-04, -03)
America/Merida, America/Cancun: DST (True, False)
America/Montevideo, America/Monterrey: Offset diff:2 (-03, -05)DST (False, True)
America/New_York, America/Chicago: Offset diff:1 (-04, -05)
America/New_York, America/Moncton: Offset diff:1 (-04, -03)
America/Noronha, America/Maceio: Offset diff:1 (-02, -03)
America/Phoenix, America/Denver: Offset diff:1 (-07, -06)DST (False, True)
America/Phoenix, America/Los_Angeles: DST (False, True)
America/Phoenix, America/New_York: Offset diff:3 (-07, -04)DST (False, True)
America/Porto_Velho, America/Bogota: Offset diff:1 (-04, -05)
America/Santiago, America/Argentina/Rio_Gallegos: Offset diff:1 (-04, -03)
America/Santiago, America/Argentina/Ushuaia: Offset diff:1 (-04, -03)
America/Santiago, America/Lima: Offset diff:1 (-04, -05)
America/Santo_Domingo, America/Port-au-Prince: DST (False, True)
America/Sao_Paulo, America/Campo_Grande: Offset diff:1 (-03, -04)
America/Sao_Paulo, America/Cuiaba: Offset diff:1 (-03, -04)
America/Scoresbysund, America/Danmarkshavn: DST (True, False)
America/St_Johns, America/Goose_Bay: Offset diff:0.5 (-02:30, -03)
America/Tijuana, America/Mazatlan: Offset diff:1 (-07, -06)
America/Vancouver, America/Montreal: Offset diff:3 (-07, -04)
Antarctica/Palmer, Etc/GMT+4: Offset diff:1 (-03, -04)
Asia/Gaza, Africa/Cairo: Offset diff:1 (+03, +02)DST (True, False)
Asia/Jakarta, Asia/Makassar: Offset diff:1 (+07, +0
Asia/Kolkata, Asia/Dhaka: Offset diff:0.5 (+05:30, +06)
Asia/Magadan, Asia/Ust-Nera: Offset diff:1 (+11, +10)
Asia/Nicosia, Asia/Famagusta: DST (True, False)
Asia/Omsk, Asia/Barnaul: Offset diff:1 (+06, +07)
Asia/Sakhalin, Asia/Ust-Nera: Offset diff:1 (+11, +10)
Asia/Shanghai, Asia/Kashgar: Offset diff:2 (+08, +06)
Asia/Thimphu, Asia/Kolkata: Offset diff:0.5 (+06, +05:30)
Asia/Vladivostok, Asia/Khandyga: Offset diff:1 (+10, +09)
Australia/Perth, Australia/Eucla: Offset diff:0.75 (+08, +08:45)
Europe/Copenhagen, Etc/GMT-1: Offset diff:1 (+02, +01)DST (True, False)
Europe/Oslo, Etc/GMT-1: Offset diff:1 (+02, +01)DST (True, False)
Europe/Oslo, UTC: Offset diff:2 (+02, +00)DST (True, False)
Europe/Simferopol, Europe/Kiev: DST (False, True)
Europe/Uzhgorod, Europe/Bratislava: Offset diff:1 (+03, +02)
Europe/Volgograd, Europe/Saratov: Offset diff:1 (+03, +04)
Pacific/Johnston, Etc/GMT+11: Offset diff:1 (-10, -11)
Pacific/Pohnpei, Pacific/Majuro: Offset diff:1 (+11, +12)
Pacific/Tahiti, Pacific/Marquesas: Offset diff:0.5 (-10, -09:30)
[/list]

The difference in offsets are:
[list]
0.5
0.75
1
2
3
[/list]

Highlights:
KFME and CYSZ had a difference of 3.
KFME was clearly wrong as shown in earlier.
CYSZ wasn't there before, now it is.

O18 has a difference of 2:
For O18: KHJO had it as historic faac, it now belongs to Buzzards Roost Airport. It has been fixed.
 
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