diff --git a/data/timezones.csv b/data/timezones.csv
new file mode 100644
index 00000000..def89050
--- /dev/null
+++ b/data/timezones.csv
@@ -0,0 +1,417 @@
+id,utc_offset,countries
+Africa/Abidjan,+00:00,CI;BF;GH;GM;GN;IS;ML;MR;SH;SL;SN;TG
+Africa/Accra,+00:00,GH
+Africa/Addis_Ababa,+03:00,ET
+Africa/Algiers,+01:00,DZ
+Africa/Asmara,+03:00,ER
+Africa/Bamako,+00:00,ML
+Africa/Bangui,+01:00,CF
+Africa/Banjul,+00:00,GM
+Africa/Bissau,+00:00,GW
+Africa/Blantyre,+02:00,MW
+Africa/Brazzaville,+01:00,CG
+Africa/Bujumbura,+02:00,BI
+Africa/Cairo,+02:00,EG
+Africa/Casablanca,+00:00,MA
+Africa/Ceuta,+01:00,ES
+Africa/Conakry,+00:00,GN
+Africa/Dakar,+00:00,SN
+Africa/Dar_es_Salaam,+03:00,TZ
+Africa/Djibouti,+03:00,DJ
+Africa/Douala,+01:00,CM
+Africa/El_Aaiun,+00:00,EH
+Africa/Freetown,+00:00,SL
+Africa/Gaborone,+02:00,BW
+Africa/Harare,+02:00,ZW
+Africa/Johannesburg,+02:00,ZA;LS;SZ
+Africa/Juba,+02:00,SS
+Africa/Kampala,+03:00,UG
+Africa/Khartoum,+02:00,SD
+Africa/Kigali,+02:00,RW
+Africa/Kinshasa,+01:00,CD
+Africa/Lagos,+01:00,NG;AO;BJ;CD;CF;CG;CM;GA;GQ;NE
+Africa/Libreville,+01:00,GA
+Africa/Lome,+00:00,TG
+Africa/Luanda,+01:00,AO
+Africa/Lubumbashi,+02:00,CD
+Africa/Lusaka,+02:00,ZM
+Africa/Malabo,+01:00,GQ
+Africa/Maputo,+02:00,MZ;BI;BW;CD;MW;RW;ZM;ZW
+Africa/Maseru,+02:00,LS
+Africa/Mbabane,+02:00,SZ
+Africa/Mogadishu,+03:00,SO
+Africa/Monrovia,+00:00,LR
+Africa/Nairobi,+03:00,KE;DJ;ER;ET;KM;MG;SO;TZ;UG;YT
+Africa/Ndjamena,+01:00,TD
+Africa/Niamey,+01:00,NE
+Africa/Nouakchott,+00:00,MR
+Africa/Ouagadougou,+00:00,BF
+Africa/Porto-Novo,+01:00,BJ
+Africa/Sao_Tome,+00:00,ST
+Africa/Tripoli,+02:00,LY
+Africa/Tunis,+01:00,TN
+Africa/Windhoek,+01:00,NA
+America/Adak,-10:00,US
+America/Anchorage,-09:00,US
+America/Anguilla,-04:00,AI
+America/Antigua,-04:00,AG
+America/Araguaina,-03:00,BR
+America/Argentina/Buenos_Aires,-03:00,AR
+America/Argentina/Catamarca,-03:00,AR
+America/Argentina/Cordoba,-03:00,AR
+America/Argentina/Jujuy,-03:00,AR
+America/Argentina/La_Rioja,-03:00,AR
+America/Argentina/Mendoza,-03:00,AR
+America/Argentina/Rio_Gallegos,-03:00,AR
+America/Argentina/Salta,-03:00,AR
+America/Argentina/San_Juan,-03:00,AR
+America/Argentina/San_Luis,-03:00,AR
+America/Argentina/Tucuman,-03:00,AR
+America/Argentina/Ushuaia,-03:00,AR
+America/Aruba,-04:00,AW
+America/Asuncion,-04:00,PY
+America/Atikokan,-05:00,CA
+America/Bahia,-03:00,BR
+America/Bahia_Banderas,-06:00,MX
+America/Barbados,-04:00,BB
+America/Belem,-03:00,BR
+America/Belize,-06:00,BZ
+America/Blanc-Sablon,-04:00,CA
+America/Boa_Vista,-04:00,BR
+America/Bogota,-05:00,CO
+America/Boise,-07:00,US
+America/Cambridge_Bay,-07:00,CA
+America/Campo_Grande,-04:00,BR
+America/Cancun,-05:00,MX
+America/Caracas,-04:00,VE
+America/Cayenne,-03:00,GF
+America/Cayman,-05:00,KY
+America/Chicago,-06:00,US
+America/Chihuahua,-07:00,MX
+America/Costa_Rica,-06:00,CR
+America/Creston,-07:00,CA
+America/Cuiaba,-04:00,BR
+America/Curacao,-04:00,CW
+America/Danmarkshavn,+00:00,GL
+America/Dawson,-07:00,CA
+America/Dawson_Creek,-07:00,CA
+America/Denver,-07:00,US
+America/Detroit,-05:00,US
+America/Dominica,-04:00,DM
+America/Edmonton,-07:00,CA
+America/Eirunepe,-05:00,BR
+America/El_Salvador,-06:00,SV
+America/Fort_Nelson,-07:00,CA
+America/Fortaleza,-03:00,BR
+America/Glace_Bay,-04:00,CA
+America/Goose_Bay,-04:00,CA
+America/Grand_Turk,-05:00,TC
+America/Grenada,-04:00,GD
+America/Guadeloupe,-04:00,GP
+America/Guatemala,-06:00,GT
+America/Guayaquil,-05:00,EC
+America/Guyana,-04:00,GY
+America/Halifax,-04:00,CA
+America/Havana,-05:00,CU
+America/Hermosillo,-07:00,MX
+America/Indiana/Indianapolis,-05:00,US
+America/Indiana/Knox,-06:00,US
+America/Indiana/Marengo,-05:00,US
+America/Indiana/Petersburg,-05:00,US
+America/Indiana/Tell_City,-06:00,US
+America/Indiana/Vevay,-05:00,US
+America/Indiana/Vincennes,-05:00,US
+America/Indiana/Winamac,-05:00,US
+America/Inuvik,-07:00,CA
+America/Iqaluit,-05:00,CA
+America/Jamaica,-05:00,JM
+America/Juneau,-09:00,US
+America/Kentucky/Louisville,-05:00,US
+America/Kentucky/Monticello,-05:00,US
+America/Kralendijk,-04:00,BQ
+America/La_Paz,-04:00,BO
+America/Lima,-05:00,PE
+America/Los_Angeles,-08:00,US
+America/Lower_Princes,-04:00,SX
+America/Maceio,-03:00,BR
+America/Managua,-06:00,NI
+America/Manaus,-04:00,BR
+America/Marigot,-04:00,MF
+America/Martinique,-04:00,MQ
+America/Matamoros,-06:00,MX
+America/Mazatlan,-07:00,MX
+America/Menominee,-06:00,US
+America/Merida,-06:00,MX
+America/Metlakatla,-09:00,US
+America/Mexico_City,-06:00,MX
+America/Miquelon,-03:00,PM
+America/Moncton,-04:00,CA
+America/Monterrey,-06:00,MX
+America/Montevideo,-03:00,UY
+America/Montserrat,-04:00,MS
+America/Nassau,-05:00,BS
+America/New_York,-05:00,US
+America/Nipigon,-05:00,CA
+America/Nome,-09:00,US
+America/Noronha,-02:00,BR
+America/North_Dakota/Beulah,-06:00,US
+America/North_Dakota/Center,-06:00,US
+America/North_Dakota/New_Salem,-06:00,US
+America/Nuuk,-02:00,GL
+America/Ojinaga,-07:00,MX
+America/Panama,-05:00,PA;CA;KY
+America/Paramaribo,-03:00,SR
+America/Phoenix,-07:00,US;CA
+America/Port-au-Prince,-05:00,HT
+America/Port_of_Spain,-04:00,TT
+America/Porto_Velho,-04:00,BR
+America/Puerto_Rico,-04:00,PR;AG;CA;AI;AW;BL;BQ;CW;DM;GD;GP;KN;LC;MF;MS;SX;TT;VC;VG;VI
+America/Punta_Arenas,-03:00,CL
+America/Rankin_Inlet,-06:00,CA
+America/Recife,-03:00,BR
+America/Regina,-06:00,CA
+America/Resolute,-06:00,CA
+America/Rio_Branco,-05:00,BR
+America/Santarem,-03:00,BR
+America/Santiago,-04:00,CL
+America/Santo_Domingo,-04:00,DO
+America/Sao_Paulo,-03:00,BR
+America/Scoresbysund,-01:00,GL
+America/Sitka,-09:00,US
+America/St_Barthelemy,-04:00,BL
+America/St_Johns,-03:30,CA
+America/St_Kitts,-04:00,KN
+America/St_Lucia,-04:00,LC
+America/St_Thomas,-04:00,VI
+America/St_Vincent,-04:00,VC
+America/Swift_Current,-06:00,CA
+America/Tegucigalpa,-06:00,HN
+America/Thule,-04:00,GL
+America/Thunder_Bay,-05:00,CA
+America/Tijuana,-08:00,MX
+America/Toronto,-05:00,CA;BS
+America/Tortola,-04:00,VG
+America/Vancouver,-08:00,CA
+America/Whitehorse,-07:00,CA
+America/Winnipeg,-06:00,CA
+America/Yakutat,-09:00,US
+Antarctica/Casey,+08:00,AQ
+Antarctica/Davis,+07:00,AQ
+Antarctica/DumontDUrville,+10:00,AQ
+Antarctica/Macquarie,+10:00,AU
+Antarctica/Mawson,+05:00,AQ
+Antarctica/McMurdo,+12:00,AQ
+Antarctica/Palmer,-03:00,AQ
+Antarctica/Rothera,-03:00,AQ
+Antarctica/Syowa,+03:00,AQ
+Antarctica/Troll,+00:00,AQ
+Antarctica/Vostok,+06:00,AQ
+Arctic/Longyearbyen,+01:00,SJ
+Asia/Aden,+03:00,YE
+Asia/Almaty,+05:00,KZ
+Asia/Amman,+02:00,JO
+Asia/Anadyr,+12:00,RU
+Asia/Aqtau,+05:00,KZ
+Asia/Aqtobe,+05:00,KZ
+Asia/Ashgabat,+05:00,TM
+Asia/Atyrau,+05:00,KZ
+Asia/Baghdad,+03:00,IQ
+Asia/Bahrain,+03:00,BH
+Asia/Baku,+04:00,AZ
+Asia/Bangkok,+07:00,TH;CX;KH;LA;VN
+Asia/Barnaul,+07:00,RU
+Asia/Beirut,+02:00,LB
+Asia/Bishkek,+06:00,KG
+Asia/Brunei,+08:00,BN
+Asia/Chita,+09:00,RU
+Asia/Colombo,+05:30,LK
+Asia/Damascus,+02:00,SY
+Asia/Dhaka,+06:00,BD
+Asia/Dili,+09:00,TL
+Asia/Dubai,+04:00,AE;OM;RE;SC;TF
+Asia/Dushanbe,+05:00,TJ
+Asia/Famagusta,+02:00,CY
+Asia/Gaza,+02:00,PS
+Asia/Hebron,+02:00,PS
+Asia/Ho_Chi_Minh,+07:00,VN
+Asia/Hong_Kong,+08:00,HK
+Asia/Hovd,+07:00,MN
+Asia/Irkutsk,+08:00,RU
+Asia/Jakarta,+07:00,ID
+Asia/Jayapura,+09:00,ID
+Asia/Jerusalem,+02:00,IL
+Asia/Kabul,+04:30,AF
+Asia/Kamchatka,+12:00,RU
+Asia/Karachi,+05:00,PK
+Asia/Kathmandu,+05:45,NP
+Asia/Khandyga,+09:00,RU
+Asia/Kolkata,+05:30,IN
+Asia/Krasnoyarsk,+07:00,RU
+Asia/Kuala_Lumpur,+08:00,MY
+Asia/Kuching,+08:00,MY;BN
+Asia/Kuwait,+03:00,KW
+Asia/Macau,+08:00,MO
+Asia/Magadan,+11:00,RU
+Asia/Makassar,+08:00,ID
+Asia/Manila,+08:00,PH
+Asia/Muscat,+04:00,OM
+Asia/Nicosia,+02:00,CY
+Asia/Novokuznetsk,+07:00,RU
+Asia/Novosibirsk,+07:00,RU
+Asia/Omsk,+06:00,RU
+Asia/Oral,+05:00,KZ
+Asia/Phnom_Penh,+07:00,KH
+Asia/Pontianak,+07:00,ID
+Asia/Pyongyang,+09:00,KP
+Asia/Qatar,+03:00,QA;BH
+Asia/Qostanay,+06:00,KZ
+Asia/Qyzylorda,+05:00,KZ
+Asia/Riyadh,+03:00,SA;AQ;KW;YE
+Asia/Sakhalin,+11:00,RU
+Asia/Samarkand,+05:00,UZ
+Asia/Seoul,+09:00,KR
+Asia/Shanghai,+08:00,CN
+Asia/Singapore,+08:00,SG;MY
+Asia/Srednekolymsk,+11:00,RU
+Asia/Taipei,+08:00,TW
+Asia/Tashkent,+05:00,UZ
+Asia/Tbilisi,+04:00,GE
+Asia/Tehran,+03:30,IR
+Asia/Thimphu,+06:00,BT
+Asia/Tokyo,+09:00,JP
+Asia/Tomsk,+07:00,RU
+Asia/Ulaanbaatar,+08:00,MN
+Asia/Urumqi,+06:00,CN
+Asia/Ust-Nera,+10:00,RU
+Asia/Vientiane,+07:00,LA
+Asia/Vladivostok,+10:00,RU
+Asia/Yakutsk,+09:00,RU
+Asia/Yangon,+06:30,MM;CC
+Asia/Yekaterinburg,+05:00,RU
+Asia/Yerevan,+04:00,AM
+Atlantic/Azores,-01:00,PT
+Atlantic/Bermuda,-04:00,BM
+Atlantic/Canary,+00:00,ES
+Atlantic/Cape_Verde,-01:00,CV
+Atlantic/Faroe,+00:00,FO
+Atlantic/Madeira,+00:00,PT
+Atlantic/Reykjavik,+00:00,IS
+Atlantic/South_Georgia,-02:00,GS
+Atlantic/St_Helena,+00:00,SH
+Atlantic/Stanley,-03:00,FK
+Australia/Adelaide,+09:30,AU
+Australia/Brisbane,+10:00,AU
+Australia/Broken_Hill,+09:30,AU
+Australia/Darwin,+09:30,AU
+Australia/Eucla,+08:45,AU
+Australia/Hobart,+10:00,AU
+Australia/Lindeman,+10:00,AU
+Australia/Lord_Howe,+10:30,AU
+Australia/Melbourne,+10:00,AU
+Australia/Perth,+08:00,AU
+Australia/Sydney,+10:00,AU
+Europe/Amsterdam,+01:00,NL
+Europe/Andorra,+01:00,AD
+Europe/Astrakhan,+04:00,RU
+Europe/Athens,+02:00,GR
+Europe/Belgrade,+01:00,RS;BA;HR;ME;MK;SI
+Europe/Berlin,+01:00,DE;DK;NO;SE;SJ
+Europe/Bratislava,+01:00,SK
+Europe/Brussels,+01:00,BE;LU;NL
+Europe/Bucharest,+02:00,RO
+Europe/Budapest,+01:00,HU
+Europe/Chisinau,+02:00,MD
+Europe/Copenhagen,+01:00,DK
+Europe/Dublin,+00:00,IE
+Europe/Gibraltar,+01:00,GI
+Europe/Guernsey,+00:00,GG
+Europe/Helsinki,+02:00,FI;AX
+Europe/Isle_of_Man,+00:00,IM
+Europe/Istanbul,+03:00,TR
+Europe/Jersey,+00:00,JE
+Europe/Kaliningrad,+02:00,RU
+Europe/Kirov,+03:00,RU
+Europe/Kyiv,+02:00,UA
+Europe/Lisbon,+00:00,PT
+Europe/Ljubljana,+01:00,SI
+Europe/London,+00:00,UK;GG;IM;JE
+Europe/Luxembourg,+01:00,LU
+Europe/Madrid,+01:00,ES
+Europe/Malta,+01:00,MT
+Europe/Mariehamn,+02:00,AX
+Europe/Minsk,+03:00,BY
+Europe/Monaco,+01:00,MC
+Europe/Moscow,+03:00,RU
+Europe/Oslo,+01:00,NO
+Europe/Paris,+01:00,FR;MC
+Europe/Podgorica,+01:00,ME
+Europe/Prague,+01:00,CZ;SK
+Europe/Riga,+02:00,LV
+Europe/Rome,+01:00,IT;SM;VA
+Europe/Samara,+04:00,RU
+Europe/San_Marino,+01:00,SM
+Europe/Sarajevo,+01:00,BA
+Europe/Saratov,+04:00,RU
+Europe/Simferopol,+03:00,RU;UA
+Europe/Skopje,+01:00,MK
+Europe/Sofia,+02:00,BG
+Europe/Stockholm,+01:00,SE
+Europe/Tallinn,+02:00,EE
+Europe/Tirane,+01:00,AL
+Europe/Ulyanovsk,+04:00,RU
+Europe/Vaduz,+01:00,LI
+Europe/Vatican,+01:00,VA
+Europe/Vienna,+01:00,AT
+Europe/Vilnius,+02:00,LT
+Europe/Volgograd,+03:00,RU
+Europe/Warsaw,+01:00,PL
+Europe/Zagreb,+01:00,HR
+Europe/Zurich,+01:00,CH;DE;LI
+Indian/Antananarivo,+03:00,MG
+Indian/Chagos,+06:00,IO
+Indian/Christmas,+07:00,CX
+Indian/Cocos,+06:30,CC
+Indian/Comoro,+03:00,KM
+Indian/Kerguelen,+05:00,TF
+Indian/Mahe,+04:00,SC
+Indian/Maldives,+05:00,MV;TF
+Indian/Mauritius,+04:00,MU
+Indian/Mayotte,+03:00,YT
+Indian/Reunion,+04:00,RE
+Pacific/Apia,+13:00,WS
+Pacific/Auckland,+12:00,NZ;AQ
+Pacific/Bougainville,+11:00,PG
+Pacific/Chatham,+12:45,NZ
+Pacific/Chuuk,+10:00,FM
+Pacific/Easter,-06:00,CL
+Pacific/Efate,+11:00,VU
+Pacific/Fakaofo,+13:00,TK
+Pacific/Fiji,+12:00,FJ
+Pacific/Funafuti,+12:00,TV
+Pacific/Galapagos,-06:00,EC
+Pacific/Gambier,-09:00,PF
+Pacific/Guadalcanal,+11:00,SB;FM
+Pacific/Guam,+10:00,GU;MP
+Pacific/Honolulu,-10:00,US
+Pacific/Kiritimati,+14:00,KI
+Pacific/Kosrae,+11:00,FM
+Pacific/Kwajalein,+12:00,MH
+Pacific/Majuro,+12:00,MH
+Pacific/Marquesas,-09:30,PF
+Pacific/Midway,-11:00,UM
+Pacific/Nauru,+12:00,NR
+Pacific/Niue,-11:00,NU
+Pacific/Norfolk,+11:00,NF
+Pacific/Noumea,+11:00,NC
+Pacific/Pago_Pago,-11:00,AS;UM
+Pacific/Palau,+09:00,PW
+Pacific/Pitcairn,-08:00,PN
+Pacific/Pohnpei,+11:00,FM
+Pacific/Port_Moresby,+10:00,PG;AQ;FM
+Pacific/Rarotonga,-10:00,CK
+Pacific/Saipan,+10:00,MP
+Pacific/Tahiti,-10:00,PF
+Pacific/Tarawa,+12:00,KI;MH;TV;UM;WF
+Pacific/Tongatapu,+13:00,TO
+Pacific/Wake,+12:00,UM
+Pacific/Wallis,+12:00,WF
\ No newline at end of file