diff -r 058bb3dc685f -r 0b59724cb3f2 cubicweb/dataimport/test/data/timeZones.txt
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/dataimport/test/data/timeZones.txt	Sat Jan 16 13:48:51 2016 +0100
@@ -0,0 +1,410 @@
+Africa/Abidjan	0.0	0.0	0.0
+Africa/Accra	0.0	0.0	0.0
+Africa/Addis_Ababa	3.0	3.0	3.0
+Africa/Algiers	1.0	1.0	1.0
+Africa/Asmara	3.0	3.0	3.0
+Africa/Bamako	0.0	0.0	0.0
+Africa/Bangui	1.0	1.0	1.0
+Africa/Banjul	0.0	0.0	0.0
+Africa/Bissau	0.0	0.0	0.0
+Africa/Blantyre	2.0	2.0	2.0
+Africa/Brazzaville	1.0	1.0	1.0
+Africa/Bujumbura	2.0	2.0	2.0
+Africa/Cairo	2.0	2.0	2.0
+Africa/Casablanca	0.0	1.0	0.0
+Africa/Ceuta	1.0	2.0	1.0
+Africa/Conakry	0.0	0.0	0.0
+Africa/Dakar	0.0	0.0	0.0
+Africa/Dar_es_Salaam	3.0	3.0	3.0
+Africa/Djibouti	3.0	3.0	3.0
+Africa/Douala	1.0	1.0	1.0
+Africa/El_Aaiun	0.0	0.0	0.0
+Africa/Freetown	0.0	0.0	0.0
+Africa/Gaborone	2.0	2.0	2.0
+Africa/Harare	2.0	2.0	2.0
+Africa/Johannesburg	2.0	2.0	2.0
+Africa/Kampala	3.0	3.0	3.0
+Africa/Khartoum	3.0	3.0	3.0
+Africa/Kigali	2.0	2.0	2.0
+Africa/Kinshasa	1.0	1.0	1.0
+Africa/Lagos	1.0	1.0	1.0
+Africa/Libreville	1.0	1.0	1.0
+Africa/Lome	0.0	0.0	0.0
+Africa/Luanda	1.0	1.0	1.0
+Africa/Lubumbashi	2.0	2.0	2.0
+Africa/Lusaka	2.0	2.0	2.0
+Africa/Malabo	1.0	1.0	1.0
+Africa/Maputo	2.0	2.0	2.0
+Africa/Maseru	2.0	2.0	2.0
+Africa/Mbabane	2.0	2.0	2.0
+Africa/Mogadishu	3.0	3.0	3.0
+Africa/Monrovia	0.0	0.0	0.0
+Africa/Nairobi	3.0	3.0	3.0
+Africa/Ndjamena	1.0	1.0	1.0
+Africa/Niamey	1.0	1.0	1.0
+Africa/Nouakchott	0.0	0.0	0.0
+Africa/Ouagadougou	0.0	0.0	0.0
+Africa/Porto-Novo	1.0	1.0	1.0
+Africa/Sao_Tome	0.0	0.0	0.0
+Africa/Tripoli	2.0	2.0	2.0
+Africa/Tunis	1.0	1.0	1.0
+Africa/Windhoek	2.0	1.0	1.0
+America/Adak	-10.0	-9.0	-10.0
+America/Anchorage	-9.0	-8.0	-9.0
+America/Anguilla	-4.0	-4.0	-4.0
+America/Antigua	-4.0	-4.0	-4.0
+America/Araguaina	-3.0	-3.0	-3.0
+America/Argentina/Buenos_Aires	-3.0	-3.0	-3.0
+America/Argentina/Catamarca	-3.0	-3.0	-3.0
+America/Argentina/Cordoba	-3.0	-3.0	-3.0
+America/Argentina/Jujuy	-3.0	-3.0	-3.0
+America/Argentina/La_Rioja	-3.0	-3.0	-3.0
+America/Argentina/Mendoza	-3.0	-3.0	-3.0
+America/Argentina/Rio_Gallegos	-3.0	-3.0	-3.0
+America/Argentina/Salta	-3.0	-3.0	-3.0
+America/Argentina/San_Juan	-3.0	-3.0	-3.0
+America/Argentina/San_Luis	-3.0	-3.0	-4.0
+America/Argentina/Tucuman	-3.0	-3.0	-3.0
+America/Argentina/Ushuaia	-3.0	-3.0	-3.0
+America/Aruba	-4.0	-4.0	-4.0
+America/Asuncion	-3.0	-4.0	-4.0
+America/Atikokan	-5.0	-5.0	-5.0
+America/Bahia	-3.0	-3.0	-3.0
+America/Bahia_Banderas	-6.0	-5.0	-6.0
+America/Barbados	-4.0	-4.0	-4.0
+America/Belem	-3.0	-3.0	-3.0
+America/Belize	-6.0	-6.0	-6.0
+America/Blanc-Sablon	-4.0	-4.0	-4.0
+America/Boa_Vista	-4.0	-4.0	-4.0
+America/Bogota	-5.0	-5.0	-5.0
+America/Boise	-7.0	-6.0	-7.0
+America/Cambridge_Bay	-7.0	-6.0	-7.0
+America/Campo_Grande	-3.0	-4.0	-4.0
+America/Cancun	-6.0	-5.0	-6.0
+America/Caracas	-4.5	-4.5	-4.5
+America/Cayenne	-3.0	-3.0	-3.0
+America/Cayman	-5.0	-5.0	-5.0
+America/Chicago	-6.0	-5.0	-6.0
+America/Chihuahua	-7.0	-6.0	-7.0
+America/Costa_Rica	-6.0	-6.0	-6.0
+America/Cuiaba	-3.0	-4.0	-4.0
+America/Curacao	-4.0	-4.0	-4.0
+America/Danmarkshavn	0.0	0.0	0.0
+America/Dawson	-8.0	-7.0	-8.0
+America/Dawson_Creek	-7.0	-7.0	-7.0
+America/Denver	-7.0	-6.0	-7.0
+America/Detroit	-5.0	-4.0	-5.0
+America/Dominica	-4.0	-4.0	-4.0
+America/Edmonton	-7.0	-6.0	-7.0
+America/Eirunepe	-4.0	-4.0	-4.0
+America/El_Salvador	-6.0	-6.0	-6.0
+America/Fortaleza	-3.0	-3.0	-3.0
+America/Glace_Bay	-4.0	-3.0	-4.0
+America/Godthab	-3.0	-2.0	-3.0
+America/Goose_Bay	-4.0	-3.0	-4.0
+America/Grand_Turk	-5.0	-4.0	-5.0
+America/Grenada	-4.0	-4.0	-4.0
+America/Guadeloupe	-4.0	-4.0	-4.0
+America/Guatemala	-6.0	-6.0	-6.0
+America/Guayaquil	-5.0	-5.0	-5.0
+America/Guyana	-4.0	-4.0	-4.0
+America/Halifax	-4.0	-3.0	-4.0
+America/Havana	-5.0	-4.0	-5.0
+America/Hermosillo	-7.0	-7.0	-7.0
+America/Indiana/Indianapolis	-5.0	-4.0	-5.0
+America/Indiana/Knox	-6.0	-5.0	-6.0
+America/Indiana/Marengo	-5.0	-4.0	-5.0
+America/Indiana/Petersburg	-5.0	-4.0	-5.0
+America/Indiana/Tell_City	-6.0	-5.0	-6.0
+America/Indiana/Vevay	-5.0	-4.0	-5.0
+America/Indiana/Vincennes	-5.0	-4.0	-5.0
+America/Indiana/Winamac	-5.0	-4.0	-5.0
+America/Inuvik	-7.0	-6.0	-7.0
+America/Iqaluit	-5.0	-4.0	-5.0
+America/Jamaica	-5.0	-5.0	-5.0
+America/Juneau	-9.0	-8.0	-9.0
+America/Kentucky/Louisville	-5.0	-4.0	-5.0
+America/Kentucky/Monticello	-5.0	-4.0	-5.0
+America/La_Paz	-4.0	-4.0	-4.0
+America/Lima	-5.0	-5.0	-5.0
+America/Los_Angeles	-8.0	-7.0	-8.0
+America/Maceio	-3.0	-3.0	-3.0
+America/Managua	-6.0	-6.0	-6.0
+America/Manaus	-4.0	-4.0	-4.0
+America/Marigot	-4.0	-4.0	-4.0
+America/Martinique	-4.0	-4.0	-4.0
+America/Matamoros	-6.0	-5.0	-6.0
+America/Mazatlan	-7.0	-6.0	-7.0
+America/Menominee	-6.0	-5.0	-6.0
+America/Merida	-6.0	-5.0	-6.0
+America/Metlakatla	-8.0	-8.0	-8.0
+America/Mexico_City	-6.0	-5.0	-6.0
+America/Miquelon	-3.0	-2.0	-3.0
+America/Moncton	-4.0	-3.0	-4.0
+America/Monterrey	-6.0	-5.0	-6.0
+America/Montevideo	-2.0	-3.0	-3.0
+America/Montreal	-5.0	-4.0	-5.0
+America/Montserrat	-4.0	-4.0	-4.0
+America/Nassau	-5.0	-4.0	-5.0
+America/New_York	-5.0	-4.0	-5.0
+America/Nipigon	-5.0	-4.0	-5.0
+America/Nome	-9.0	-8.0	-9.0
+America/Noronha	-2.0	-2.0	-2.0
+America/North_Dakota/Beulah	-6.0	-5.0	-6.0
+America/North_Dakota/Center	-6.0	-5.0	-6.0
+America/North_Dakota/New_Salem	-6.0	-5.0	-6.0
+America/Ojinaga	-7.0	-6.0	-7.0
+America/Panama	-5.0	-5.0	-5.0
+America/Pangnirtung	-5.0	-4.0	-5.0
+America/Paramaribo	-3.0	-3.0	-3.0
+America/Phoenix	-7.0	-7.0	-7.0
+America/Port-au-Prince	-5.0	-5.0	-5.0
+America/Port_of_Spain	-4.0	-4.0	-4.0
+America/Porto_Velho	-4.0	-4.0	-4.0
+America/Puerto_Rico	-4.0	-4.0	-4.0
+America/Rainy_River	-6.0	-5.0	-6.0
+America/Rankin_Inlet	-6.0	-5.0	-6.0
+America/Recife	-3.0	-3.0	-3.0
+America/Regina	-6.0	-6.0	-6.0
+America/Resolute	-6.0	-5.0	-6.0
+America/Rio_Branco	-4.0	-4.0	-4.0
+America/Santa_Isabel	-8.0	-7.0	-8.0
+America/Santarem	-3.0	-3.0	-3.0
+America/Santiago	-3.0	-4.0	-4.0
+America/Santo_Domingo	-4.0	-4.0	-4.0
+America/Sao_Paulo	-2.0	-3.0	-3.0
+America/Scoresbysund	-1.0	0.0	-1.0
+America/Shiprock	-7.0	-6.0	-7.0
+America/Sitka	-9.0	-8.0	-9.0
+America/St_Barthelemy	-4.0	-4.0	-4.0
+America/St_Johns	-3.5	-2.5	-3.5
+America/St_Kitts	-4.0	-4.0	-4.0
+America/St_Lucia	-4.0	-4.0	-4.0
+America/St_Thomas	-4.0	-4.0	-4.0
+America/St_Vincent	-4.0	-4.0	-4.0
+America/Swift_Current	-6.0	-6.0	-6.0
+America/Tegucigalpa	-6.0	-6.0	-6.0
+America/Thule	-4.0	-3.0	-4.0
+America/Thunder_Bay	-5.0	-4.0	-5.0
+America/Tijuana	-8.0	-7.0	-8.0
+America/Toronto	-5.0	-4.0	-5.0
+America/Tortola	-4.0	-4.0	-4.0
+America/Vancouver	-8.0	-7.0	-8.0
+America/Whitehorse	-8.0	-7.0	-8.0
+America/Winnipeg	-6.0	-5.0	-6.0
+America/Yakutat	-9.0	-8.0	-9.0
+America/Yellowknife	-7.0	-6.0	-7.0
+Antarctica/Casey	8.0	8.0	8.0
+Antarctica/Davis	7.0	7.0	7.0
+Antarctica/DumontDUrville	10.0	10.0	10.0
+Antarctica/Macquarie	11.0	11.0	11.0
+Antarctica/Mawson	5.0	5.0	5.0
+Antarctica/McMurdo	13.0	12.0	12.0
+Antarctica/Palmer	-3.0	-4.0	-4.0
+Antarctica/Rothera	-3.0	-3.0	-3.0
+Antarctica/South_Pole	13.0	12.0	12.0
+Antarctica/Syowa	3.0	3.0	3.0
+Antarctica/Vostok	6.0	6.0	6.0
+Arctic/Longyearbyen	1.0	2.0	1.0
+Asia/Aden	3.0	3.0	3.0
+Asia/Almaty	6.0	6.0	6.0
+Asia/Amman	2.0	3.0	2.0
+Asia/Anadyr	11.0	12.0	12.0
+Asia/Aqtau	5.0	5.0	5.0
+Asia/Aqtobe	5.0	5.0	5.0
+Asia/Ashgabat	5.0	5.0	5.0
+Asia/Baghdad	3.0	3.0	3.0
+Asia/Bahrain	3.0	3.0	3.0
+Asia/Baku	4.0	5.0	4.0
+Asia/Bangkok	7.0	7.0	7.0
+Asia/Beirut	2.0	3.0	2.0
+Asia/Bishkek	6.0	6.0	6.0
+Asia/Brunei	8.0	8.0	8.0
+Asia/Choibalsan	8.0	8.0	8.0
+Asia/Chongqing	8.0	8.0	8.0
+Asia/Colombo	5.5	5.5	5.5
+Asia/Damascus	2.0	3.0	2.0
+Asia/Dhaka	6.0	6.0	6.0
+Asia/Dili	9.0	9.0	9.0
+Asia/Dubai	4.0	4.0	4.0
+Asia/Dushanbe	5.0	5.0	5.0
+Asia/Gaza	2.0	3.0	2.0
+Asia/Harbin	8.0	8.0	8.0
+Asia/Ho_Chi_Minh	7.0	7.0	7.0
+Asia/Hong_Kong	8.0	8.0	8.0
+Asia/Hovd	7.0	7.0	7.0
+Asia/Irkutsk	8.0	9.0	9.0
+Asia/Jakarta	7.0	7.0	7.0
+Asia/Jayapura	9.0	9.0	9.0
+Asia/Jerusalem	2.0	3.0	2.0
+Asia/Kabul	4.5	4.5	4.5
+Asia/Kamchatka	11.0	12.0	12.0
+Asia/Karachi	5.0	5.0	5.0
+Asia/Kashgar	8.0	8.0	8.0
+Asia/Kathmandu	5.75	5.75	5.75
+Asia/Kolkata	5.5	5.5	5.5
+Asia/Krasnoyarsk	7.0	8.0	8.0
+Asia/Kuala_Lumpur	8.0	8.0	8.0
+Asia/Kuching	8.0	8.0	8.0
+Asia/Kuwait	3.0	3.0	3.0
+Asia/Macau	8.0	8.0	8.0
+Asia/Magadan	11.0	12.0	12.0
+Asia/Makassar	8.0	8.0	8.0
+Asia/Manila	8.0	8.0	8.0
+Asia/Muscat	4.0	4.0	4.0
+Asia/Nicosia	2.0	3.0	2.0
+Asia/Novokuznetsk	6.0	7.0	7.0
+Asia/Novosibirsk	6.0	7.0	7.0
+Asia/Omsk	6.0	7.0	7.0
+Asia/Oral	5.0	5.0	5.0
+Asia/Phnom_Penh	7.0	7.0	7.0
+Asia/Pontianak	7.0	7.0	7.0
+Asia/Pyongyang	9.0	9.0	9.0
+Asia/Qatar	3.0	3.0	3.0
+Asia/Qyzylorda	6.0	6.0	6.0
+Asia/Rangoon	6.5	6.5	6.5
+Asia/Riyadh	3.0	3.0	3.0
+Asia/Sakhalin	10.0	11.0	11.0
+Asia/Samarkand	5.0	5.0	5.0
+Asia/Seoul	9.0	9.0	9.0
+Asia/Shanghai	8.0	8.0	8.0
+Asia/Singapore	8.0	8.0	8.0
+Asia/Taipei	8.0	8.0	8.0
+Asia/Tashkent	5.0	5.0	5.0
+Asia/Tbilisi	4.0	4.0	4.0
+Asia/Tehran	3.5	4.5	3.5
+Asia/Thimphu	6.0	6.0	6.0
+Asia/Tokyo	9.0	9.0	9.0
+Asia/Ulaanbaatar	8.0	8.0	8.0
+Asia/Urumqi	8.0	8.0	8.0
+Asia/Vientiane	7.0	7.0	7.0
+Asia/Vladivostok	10.0	11.0	11.0
+Asia/Yakutsk	9.0	10.0	10.0
+Asia/Yekaterinburg	5.0	6.0	6.0
+Asia/Yerevan	4.0	5.0	4.0
+Atlantic/Azores	-1.0	0.0	-1.0
+Atlantic/Bermuda	-4.0	-3.0	-4.0
+Atlantic/Canary	0.0	1.0	0.0
+Atlantic/Cape_Verde	-1.0	-1.0	-1.0
+Atlantic/Faroe	0.0	1.0	0.0
+Atlantic/Madeira	0.0	1.0	0.0
+Atlantic/Reykjavik	0.0	0.0	0.0
+Atlantic/South_Georgia	-2.0	-2.0	-2.0
+Atlantic/St_Helena	0.0	0.0	0.0
+Atlantic/Stanley	-3.0	-3.0	-4.0
+Australia/Adelaide	10.5	9.5	9.5
+Australia/Brisbane	10.0	10.0	10.0
+Australia/Broken_Hill	10.5	9.5	9.5
+Australia/Currie	11.0	10.0	10.0
+Australia/Darwin	9.5	9.5	9.5
+Australia/Eucla	8.75	8.75	8.75
+Australia/Hobart	11.0	10.0	10.0
+Australia/Lindeman	10.0	10.0	10.0
+Australia/Lord_Howe	11.0	10.5	10.5
+Australia/Melbourne	11.0	10.0	10.0
+Australia/Perth	8.0	8.0	8.0
+Australia/Sydney	11.0	10.0	10.0
+Europe/Amsterdam	1.0	2.0	1.0
+Europe/Andorra	1.0	2.0	1.0
+Europe/Athens	2.0	3.0	2.0
+Europe/Belgrade	1.0	2.0	1.0
+Europe/Berlin	1.0	2.0	1.0
+Europe/Bratislava	1.0	2.0	1.0
+Europe/Brussels	1.0	2.0	1.0
+Europe/Bucharest	2.0	3.0	2.0
+Europe/Budapest	1.0	2.0	1.0
+Europe/Chisinau	2.0	3.0	2.0
+Europe/Copenhagen	1.0	2.0	1.0
+Europe/Dublin	0.0	1.0	0.0
+Europe/Gibraltar	1.0	2.0	1.0
+Europe/Guernsey	0.0	1.0	0.0
+Europe/Helsinki	2.0	3.0	2.0
+Europe/Isle_of_Man	0.0	1.0	0.0
+Europe/Istanbul	2.0	3.0	2.0
+Europe/Jersey	0.0	1.0	0.0
+Europe/Kaliningrad	2.0	3.0	3.0
+Europe/Kiev	2.0	3.0	3.0
+Europe/Lisbon	0.0	1.0	0.0
+Europe/Ljubljana	1.0	2.0	1.0
+Europe/London	0.0	1.0	0.0
+Europe/Luxembourg	1.0	2.0	1.0
+Europe/Madrid	1.0	2.0	1.0
+Europe/Malta	1.0	2.0	1.0
+Europe/Mariehamn	2.0	3.0	2.0
+Europe/Minsk	2.0	3.0	3.0
+Europe/Monaco	1.0	2.0	1.0
+Europe/Moscow	3.0	4.0	4.0
+Europe/Oslo	1.0	2.0	1.0
+Europe/Paris	1.0	2.0	1.0
+Europe/Podgorica	1.0	2.0	1.0
+Europe/Prague	1.0	2.0	1.0
+Europe/Riga	2.0	3.0	2.0
+Europe/Rome	1.0	2.0	1.0
+Europe/Samara	3.0	4.0	4.0
+Europe/San_Marino	1.0	2.0	1.0
+Europe/Sarajevo	1.0	2.0	1.0
+Europe/Simferopol	2.0	3.0	3.0
+Europe/Skopje	1.0	2.0	1.0
+Europe/Sofia	2.0	3.0	2.0
+Europe/Stockholm	1.0	2.0	1.0
+Europe/Tallinn	2.0	3.0	2.0
+Europe/Tirane	1.0	2.0	1.0
+Europe/Uzhgorod	2.0	3.0	3.0
+Europe/Vaduz	1.0	2.0	1.0
+Europe/Vatican	1.0	2.0	1.0
+Europe/Vienna	1.0	2.0	1.0
+Europe/Vilnius	2.0	3.0	2.0
+Europe/Volgograd	3.0	4.0	4.0
+Europe/Warsaw	1.0	2.0	1.0
+Europe/Zagreb	1.0	2.0	1.0
+Europe/Zaporozhye	2.0	3.0	3.0
+Europe/Zurich	1.0	2.0	1.0
+Indian/Antananarivo	3.0	3.0	3.0
+Indian/Chagos	6.0	6.0	6.0
+Indian/Christmas	7.0	7.0	7.0
+Indian/Cocos	6.5	6.5	6.5
+Indian/Comoro	3.0	3.0	3.0
+Indian/Kerguelen	5.0	5.0	5.0
+Indian/Mahe	4.0	4.0	4.0
+Indian/Maldives	5.0	5.0	5.0
+Indian/Mauritius	4.0	4.0	4.0
+Indian/Mayotte	3.0	3.0	3.0
+Indian/Reunion	4.0	4.0	4.0
+Pacific/Apia	-10.0	-11.0	-11.0
+Pacific/Auckland	13.0	12.0	12.0
+Pacific/Chatham	13.75	12.75	12.75
+Pacific/Chuuk	10.0	10.0	10.0
+Pacific/Easter	-5.0	-6.0	-6.0
+Pacific/Efate	11.0	11.0	11.0
+Pacific/Enderbury	13.0	13.0	13.0
+Pacific/Fakaofo	-10.0	-10.0	-10.0
+Pacific/Fiji	13.0	12.0	12.0
+Pacific/Funafuti	12.0	12.0	12.0
+Pacific/Galapagos	-6.0	-6.0	-6.0
+Pacific/Gambier	-9.0	-9.0	-9.0
+Pacific/Guadalcanal	11.0	11.0	11.0
+Pacific/Guam	10.0	10.0	10.0
+Pacific/Honolulu	-10.0	-10.0	-10.0
+Pacific/Johnston	-10.0	-10.0	-10.0
+Pacific/Kiritimati	14.0	14.0	14.0
+Pacific/Kosrae	11.0	11.0	11.0
+Pacific/Kwajalein	12.0	12.0	12.0
+Pacific/Majuro	12.0	12.0	12.0
+Pacific/Marquesas	-9.5	-9.5	-9.5
+Pacific/Midway	-11.0	-11.0	-11.0
+Pacific/Nauru	12.0	12.0	12.0
+Pacific/Niue	-11.0	-11.0	-11.0
+Pacific/Norfolk	11.5	11.5	11.5
+Pacific/Noumea	11.0	11.0	11.0
+Pacific/Pago_Pago	-11.0	-11.0	-11.0
+Pacific/Palau	9.0	9.0	9.0
+Pacific/Pitcairn	-8.0	-8.0	-8.0
+Pacific/Pohnpei	11.0	11.0	11.0
+Pacific/Port_Moresby	10.0	10.0	10.0
+Pacific/Rarotonga	-10.0	-10.0	-10.0
+Pacific/Saipan	10.0	10.0	10.0
+Pacific/Tahiti	-10.0	-10.0	-10.0
+Pacific/Tarawa	12.0	12.0	12.0
+Pacific/Tongatapu	13.0	13.0	13.0
+Pacific/Wake	12.0	12.0	12.0
+Pacific/Wallis	12.0	12.0	12.0