| Maa | MK | Aikavyöhyke | Normaaliaika | Kesäaika | Kesäaika alkaa | Kesäaika päättyy |
| Afganistan | AF | Asia/Kabul | 4:30 | - | - | - |
| Alankomaat | NL | Europe/Amsterdam | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Albania | AL | Europe/Tirane | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Algeria | DZ | Africa/Algiers | 1:00 | - | - | - |
| Amerikan Samoa | AS | Pacific/Pago_Pago | -11:00 | - | - | - |
| Andorra | AD | Europe/Andorra | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Angola | AO | Africa/Luanda | 1:00 | - | - | - |
| Anguilla | AI | America/Anguilla | -4:00 | - | - | - |
| Antarktis | AQ | Antarctica/Casey | 8:00 | - | - | - |
| Antarktis | AQ | Antarctica/Davis | 7:00 | - | - | - |
| Antarktis | AQ | Antarctica/DumontDUrville | 10:00 | - | - | - |
| Antarktis | AQ | Antarctica/Macquarie | 11:00 | - | - | - |
| Antarktis | AQ | Antarctica/Mawson | 5:00 | - | - | - |
| Antarktis | AQ | Antarctica/McMurdo | 12:00 | 13:00 | 30.09.2012 02:00 | 01.04.2012 03:00 |
| Antarktis | AQ | Antarctica/Palmer | -4:00 | -3:00 | 14.10.2012 00:00 | 11.03.2012 00:00 |
| Antarktis | AQ | Antarctica/Rothera | -3:00 | - | - | - |
| Antarktis | AQ | Antarctica/South_Pole | 12:00 | 13:00 | 30.09.2012 02:00 | 01.04.2012 03:00 |
| Antarktis | AQ | Antarctica/Syowa | 3:00 | - | - | - |
| Antarktis | AQ | Antarctica/Vostok | 6:00 | - | - | - |
| Antigua ja Barbuda | AG | America/Antigua | -4:00 | - | - | - |
| Arabiemiirikunnat | AE | Asia/Dubai | 4:00 | - | - | - |
| Argentiina | AR | America/Argentina/Buenos_Aires | -3:00 | - | - | - |
| Argentiina | AR | America/Argentina/Catamarca | -3:00 | - | - | - |
| Argentiina | AR | America/Argentina/Cordoba | -3:00 | - | - | - |
| Argentiina | AR | America/Argentina/Jujuy | -3:00 | - | - | - |
| Argentiina | AR | America/Argentina/La_Rioja | -3:00 | - | - | - |
| Argentiina | AR | America/Argentina/Mendoza | -3:00 | - | - | - |
| Argentiina | AR | America/Argentina/Rio_Gallegos | -3:00 | - | - | - |
| Argentiina | AR | America/Argentina/Salta | -3:00 | - | - | - |
| Argentiina | AR | America/Argentina/San_Juan | -3:00 | - | - | - |
| Argentiina | AR | America/Argentina/San_Luis | -4:00 | - | - | - |
| Argentiina | AR | America/Argentina/Tucuman | -3:00 | - | - | - |
| Argentiina | AR | America/Argentina/Ushuaia | -3:00 | - | - | - |
| Armenia | AM | Asia/Yerevan | 4:00 | 5:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Aruba | AW | America/Aruba | -4:00 | - | - | - |
| Australia | AU | Australia/Adelaide | 9:30 | 10:30 | 07.10.2012 02:00 | 01.04.2012 03:00 |
| Australia | AU | Australia/Brisbane | 10:00 | - | - | - |
| Australia | AU | Australia/Broken_Hill | 9:30 | 10:30 | 07.10.2012 02:00 | 01.04.2012 03:00 |
| Australia | AU | Australia/Currie | 10:00 | 11:00 | 07.10.2012 02:00 | 01.04.2012 03:00 |
| Australia | AU | Australia/Darwin | 9:30 | - | - | - |
| Australia | AU | Australia/Eucla | 8:45 | - | - | - |
| Australia | AU | Australia/Hobart | 10:00 | 11:00 | 07.10.2012 02:00 | 01.04.2012 03:00 |
| Australia | AU | Australia/Lindeman | 10:00 | - | - | - |
| Australia | AU | Australia/Lord_Howe | 10:30 | 11:00 | 07.10.2012 02:00 | 01.04.2012 02:00 |
| Australia | AU | Australia/Melbourne | 10:00 | 11:00 | 07.10.2012 02:00 | 01.04.2012 03:00 |
| Australia | AU | Australia/Perth | 8:00 | - | - | - |
| Australia | AU | Australia/Sydney | 10:00 | 11:00 | 07.10.2012 02:00 | 01.04.2012 03:00 |
| Azerbaidzan | AZ | Asia/Baku | 4:00 | 5:00 | 25.03.2012 04:00 | 28.10.2012 05:00 |
| Bahama | BS | America/Nassau | -5:00 | -4:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Bahrain | BH | Asia/Bahrain | 3:00 | - | - | - |
| Bangladesh | BD | Asia/Dhaka | 6:00 | - | - | - |
| Barbados | BB | America/Barbados | -4:00 | - | - | - |
| Belgia | BE | Europe/Brussels | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Belize | BZ | America/Belize | -6:00 | - | - | - |
| Benin | BJ | Africa/Porto-Novo | 1:00 | - | - | - |
| Bermuda | BM | Atlantic/Bermuda | -4:00 | -3:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Bhutan | BT | Asia/Thimphu | 6:00 | - | - | - |
| Bolivia | BO | America/La_Paz | -4:00 | - | - | - |
| Bonaire | BQ | America/Kralendijk | -4:00 | - | - | - |
| Bosnia ja Herzegovina | BA | Europe/Sarajevo | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Botswana | BW | Africa/Gaborone | 2:00 | - | - | - |
| Brasilia | BR | America/Araguaina | -3:00 | - | - | - |
| Brasilia | BR | America/Bahia | -3:00 | -2:00 | 21.10.2012 00:00 | 26.02.2012 00:00 |
| Brasilia | BR | America/Belem | -3:00 | - | - | - |
| Brasilia | BR | America/Boa_Vista | -4:00 | - | - | - |
| Brasilia | BR | America/Campo_Grande | -4:00 | -3:00 | 21.10.2012 00:00 | 26.02.2012 00:00 |
| Brasilia | BR | America/Cuiaba | -4:00 | -3:00 | 21.10.2012 00:00 | 26.02.2012 00:00 |
| Brasilia | BR | America/Eirunepe | -4:00 | - | - | - |
| Brasilia | BR | America/Fortaleza | -3:00 | - | - | - |
| Brasilia | BR | America/Maceio | -3:00 | - | - | - |
| Brasilia | BR | America/Manaus | -4:00 | - | - | - |
| Brasilia | BR | America/Noronha | -2:00 | - | - | - |
| Brasilia | BR | America/Porto_Velho | -4:00 | - | - | - |
| Brasilia | BR | America/Recife | -3:00 | - | - | - |
| Brasilia | BR | America/Rio_Branco | -4:00 | - | - | - |
| Brasilia | BR | America/Santarem | -3:00 | - | - | - |
| Brasilia | BR | America/Sao_Paulo | -3:00 | -2:00 | 21.10.2012 00:00 | 26.02.2012 00:00 |
| Brittiläinen Intian valtameren alue | IO | Indian/Chagos | 6:00 | - | - | - |
| Brittiläiset Neitsytsaaret | VG | America/Tortola | -4:00 | - | - | - |
| Brunei Darussalam | BN | Asia/Brunei | 8:00 | - | - | - |
| Bulgaria | BG | Europe/Sofia | 2:00 | 3:00 | 25.03.2012 03:00 | 28.10.2012 04:00 |
| Burkina Faso | BF | Africa/Ouagadougou | 0:00 | - | - | - |
| Burundi | BI | Africa/Bujumbura | 2:00 | - | - | - |
| Caymansaaret | KY | America/Cayman | -5:00 | - | - | - |
| Chile | CL | America/Santiago | -4:00 | -3:00 | 14.10.2012 00:00 | 11.03.2012 00:00 |
| Chile | CL | Pacific/Easter | -6:00 | -5:00 | 14.10.2012 02:00 | 11.03.2012 02:00 |
| Cookinsaaret | CK | Pacific/Rarotonga | -10:00 | - | - | - |
| Costa Rica | CR | America/Costa_Rica | -6:00 | - | - | - |
| Curacao | CW | America/Curacao | -4:00 | - | - | - |
| Djibouti | DJ | Africa/Djibouti | 3:00 | - | - | - |
| Dominica | DM | America/Dominica | -4:00 | - | - | - |
| Dominikaaninen tasavalta | DO | America/Santo_Domingo | -4:00 | - | - | - |
| Ecuador | EC | America/Guayaquil | -5:00 | - | - | - |
| Ecuador | EC | Pacific/Galapagos | -6:00 | - | - | - |
| Egypti | EG | Africa/Cairo | 2:00 | - | - | - |
| El Salvador | SV | America/El_Salvador | -6:00 | - | - | - |
| Eritrea | ER | Africa/Asmara | 3:00 | - | - | - |
| Espanja | ES | Africa/Ceuta | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Espanja | ES | Atlantic/Canary | 0:00 | 1:00 | 25.03.2012 01:00 | 28.10.2012 02:00 |
| Espanja | ES | Europe/Madrid | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Etelä-Afrikka | ZA | Africa/Johannesburg | 2:00 | - | - | - |
| Etelä-Georgia | GS | Atlantic/South_Georgia | -2:00 | - | - | - |
| Etelä-Korea | KR | Asia/Seoul | 9:00 | - | - | - |
| Etelä-Sudan | SS | Africa/Juba | 3:00 | - | - | - |
| Etiopia | ET | Africa/Addis_Ababa | 3:00 | - | - | - |
| Falklandinsaaret | FK | Atlantic/Stanley | -4:00 | -3:00 | 02.09.2012 02:00 | - |
| Fidzi | FJ | Pacific/Fiji | 12:00 | 13:00 | 21.10.2012 02:00 | 22.01.2012 03:00 |
| Filippiinit | PH | Asia/Manila | 8:00 | - | - | - |
| Färsaaret | FO | Atlantic/Faroe | 0:00 | 1:00 | 25.03.2012 01:00 | 28.10.2012 02:00 |
| Gabon | GA | Africa/Libreville | 1:00 | - | - | - |
| Gambia | GM | Africa/Banjul | 0:00 | - | - | - |
| Georgia | GE | Asia/Tbilisi | 4:00 | - | - | - |
| Ghana | GH | Africa/Accra | 0:00 | - | - | - |
| Gibraltar | GI | Europe/Gibraltar | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Grenada | GD | America/Grenada | -4:00 | - | - | - |
| Grönlanti | GL | America/Danmarkshavn | 0:00 | - | - | - |
| Grönlanti | GL | America/Godthab | -3:00 | -2:00 | 25.03.2012 02:00 | 28.10.2012 01:00 |
| Grönlanti | GL | America/Scoresbysund | -1:00 | 0:00 | 25.03.2012 00:00 | 28.10.2012 01:00 |
| Grönlanti | GL | America/Thule | -4:00 | -3:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Guadeloupe | GP | America/Guadeloupe | -4:00 | - | - | - |
| Guam | GU | Pacific/Guam | 10:00 | - | - | - |
| Guatemala | GT | America/Guatemala | -6:00 | - | - | - |
| Guernsey | GG | Europe/Guernsey | 0:00 | 1:00 | 25.03.2012 01:00 | 28.10.2012 02:00 |
| Guinea-Bissau | GW | Africa/Bissau | 0:00 | - | - | - |
| Guinea | GN | Africa/Conakry | 0:00 | - | - | - |
| Guyana | GY | America/Guyana | -4:00 | - | - | - |
| Haiti | HT | America/Port-au-Prince | -5:00 | - | - | - |
| Honduras | HN | America/Tegucigalpa | -6:00 | - | - | - |
| Hong Kong | HK | Asia/Hong_Kong | 8:00 | - | - | - |
| Indonesia | ID | Asia/Jakarta | 7:00 | - | - | - |
| Indonesia | ID | Asia/Jayapura | 9:00 | - | - | - |
| Indonesia | ID | Asia/Makassar | 8:00 | - | - | - |
| Indonesia | ID | Asia/Pontianak | 7:00 | - | - | - |
| Intia | IN | Asia/Kolkata | 5:30 | - | - | - |
| Irak | IQ | Asia/Baghdad | 3:00 | - | - | - |
| Iran | IR | Asia/Tehran | 3:30 | 4:30 | 21.03.2012 00:00 | 21.09.2012 00:00 |
| Irlanti | IE | Europe/Dublin | 0:00 | 1:00 | 25.03.2012 01:00 | 28.10.2012 02:00 |
| Islanti | IS | Atlantic/Reykjavik | 0:00 | - | - | - |
| Iso-Britannia | GB | Europe/London | 0:00 | 1:00 | 25.03.2012 01:00 | 28.10.2012 02:00 |
| Israel | IL | Asia/Jerusalem | 2:00 | 3:00 | 30.03.2012 02:00 | 23.09.2012 02:00 |
| Italia | IT | Europe/Rome | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Itä-Timor | TL | Asia/Dili | 9:00 | - | - | - |
| Itävalta | AT | Europe/Vienna | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Jamaika | JM | America/Jamaica | -5:00 | - | - | - |
| Japani | JP | Asia/Tokyo | 9:00 | - | - | - |
| Jemen | YE | Asia/Aden | 3:00 | - | - | - |
| Jersey | JE | Europe/Jersey | 0:00 | 1:00 | 25.03.2012 01:00 | 28.10.2012 02:00 |
| Jordania | JO | Asia/Amman | 2:00 | 3:00 | 29.03.2012 00:00 | 26.10.2012 01:00 |
| Joulusaari | CX | Indian/Christmas | 7:00 | - | - | - |
| Kambodza | KH | Asia/Phnom_Penh | 7:00 | - | - | - |
| Kamerun | CM | Africa/Douala | 1:00 | - | - | - |
| Kanada | CA | America/Atikokan | -5:00 | - | - | - |
| Kanada | CA | America/Blanc-Sablon | -4:00 | - | - | - |
| Kanada | CA | America/Cambridge_Bay | -7:00 | -6:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Dawson | -8:00 | -7:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Dawson_Creek | -7:00 | - | - | - |
| Kanada | CA | America/Edmonton | -7:00 | -6:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Glace_Bay | -4:00 | -3:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Goose_Bay | -4:00 | -3:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Halifax | -4:00 | -3:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Inuvik | -7:00 | -6:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Iqaluit | -5:00 | -4:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Moncton | -4:00 | -3:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Montreal | -5:00 | -4:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Nipigon | -5:00 | -4:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Pangnirtung | -5:00 | -4:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Rainy_River | -6:00 | -5:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Rankin_Inlet | -6:00 | -5:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Regina | -6:00 | - | - | - |
| Kanada | CA | America/Resolute | -6:00 | -5:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/St_Johns | -3:30 | -2:30 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Swift_Current | -6:00 | - | - | - |
| Kanada | CA | America/Thunder_Bay | -5:00 | -4:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Toronto | -5:00 | -4:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Vancouver | -8:00 | -7:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Whitehorse | -8:00 | -7:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Winnipeg | -6:00 | -5:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kanada | CA | America/Yellowknife | -7:00 | -6:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Kap Verde | CV | Atlantic/Cape_Verde | -1:00 | - | - | - |
| Kazakstan | KZ | Asia/Almaty | 6:00 | - | - | - |
| Kazakstan | KZ | Asia/Aqtau | 5:00 | - | - | - |
| Kazakstan | KZ | Asia/Aqtobe | 5:00 | - | - | - |
| Kazakstan | KZ | Asia/Oral | 5:00 | - | - | - |
| Kazakstan | KZ | Asia/Qyzylorda | 6:00 | - | - | - |
| Kenia | KE | Africa/Nairobi | 3:00 | - | - | - |
| Keski-Afrikan tasavalta | CF | Africa/Bangui | 1:00 | - | - | - |
| Kiina | CN | Asia/Chongqing | 8:00 | - | - | - |
| Kiina | CN | Asia/Harbin | 8:00 | - | - | - |
| Kiina | CN | Asia/Kashgar | 8:00 | - | - | - |
| Kiina | CN | Asia/Shanghai | 8:00 | - | - | - |
| Kiina | CN | Asia/Urumqi | 8:00 | - | - | - |
| Kirgisia | KG | Asia/Bishkek | 6:00 | - | - | - |
| Kiribati | KI | Pacific/Enderbury | 13:00 | - | - | - |
| Kiribati | KI | Pacific/Kiritimati | 14:00 | - | - | - |
| Kiribati | KI | Pacific/Tarawa | 12:00 | - | - | - |
| Kolumbia | CO | America/Bogota | -5:00 | - | - | - |
| Komorit | KM | Indian/Comoro | 3:00 | - | - | - |
| Kongo (Brazzaville) | CG | Africa/Brazzaville | 1:00 | - | - | - |
| Kongo (Kinshasa) | CD | Africa/Kinshasa | 1:00 | - | - | - |
| Kongo (Lubumbashi) | CD | Africa/Lubumbashi | 2:00 | - | - | - |
| Kookossaaret | CC | Indian/Cocos | 6:30 | - | - | - |
| Kreikka | GR | Europe/Athens | 2:00 | 3:00 | 25.03.2012 03:00 | 28.10.2012 04:00 |
| Kroatia | HR | Europe/Zagreb | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Kuuba | CU | America/Havana | -5:00 | -4:00 | 11.03.2012 00:00 | 28.10.2012 01:00 |
| Kuwait | KW | Asia/Kuwait | 3:00 | - | - | - |
| Kypros | CY | Asia/Nicosia | 2:00 | 3:00 | 25.03.2012 03:00 | 28.10.2012 04:00 |
| Laos | LA | Asia/Vientiane | 7:00 | - | - | - |
| Latvia | LV | Europe/Riga | 2:00 | 3:00 | 25.03.2012 03:00 | 28.10.2012 04:00 |
| Lesotho | LS | Africa/Maseru | 2:00 | - | - | - |
| Libanon | LB | Asia/Beirut | 2:00 | 3:00 | 25.03.2012 00:00 | 28.10.2012 00:00 |
| Liberia | LR | Africa/Monrovia | 0:00 | - | - | - |
| Libya | LY | Africa/Tripoli | 2:00 | - | - | - |
| Liechtenstein | LI | Europe/Vaduz | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Liettua | LT | Europe/Vilnius | 2:00 | 3:00 | 25.03.2012 03:00 | 28.10.2012 04:00 |
| Luxemburg | LU | Europe/Luxembourg | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Länsi-Sahara | EH | Africa/El_Aaiun | 0:00 | - | - | - |
| Macao | MO | Asia/Macau | 8:00 | - | - | - |
| Madagaskar | MG | Indian/Antananarivo | 3:00 | - | - | - |
| Makedonia | MK | Europe/Skopje | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Malawi | MW | Africa/Blantyre | 2:00 | - | - | - |
| Malediivit | MV | Indian/Maldives | 5:00 | - | - | - |
| Malesia | MY | Asia/Kuala_Lumpur | 8:00 | - | - | - |
| Malesia | MY | Asia/Kuching | 8:00 | - | - | - |
| Mali | ML | Africa/Bamako | 0:00 | - | - | - |
| Malta | MT | Europe/Malta | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Mansaari | IM | Europe/Isle_of_Man | 0:00 | 1:00 | 25.03.2012 01:00 | 28.10.2012 02:00 |
| Marokko | MA | Africa/Casablanca | 0:00 | - | - | - |
| Marshallinsaaret | MH | Pacific/Kwajalein | 12:00 | - | - | - |
| Marshallinsaaret | MH | Pacific/Majuro | 12:00 | - | - | - |
| Martinique | MQ | America/Martinique | -4:00 | - | - | - |
| Mauritania | MR | Africa/Nouakchott | 0:00 | - | - | - |
| Mauritius | MU | Indian/Mauritius | 4:00 | - | - | - |
| Mayotte | YT | Indian/Mayotte | 3:00 | - | - | - |
| Meksiko | MX | America/Bahia_Banderas | -6:00 | -5:00 | 01.04.2012 02:00 | 28.10.2012 02:00 |
| Meksiko | MX | America/Cancun | -6:00 | -5:00 | 01.04.2012 02:00 | 28.10.2012 02:00 |
| Meksiko | MX | America/Chihuahua | -7:00 | -6:00 | 01.04.2012 02:00 | 28.10.2012 02:00 |
| Meksiko | MX | America/Hermosillo | -7:00 | - | - | - |
| Meksiko | MX | America/Matamoros | -6:00 | -5:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Meksiko | MX | America/Mazatlan | -7:00 | -6:00 | 01.04.2012 02:00 | 28.10.2012 02:00 |
| Meksiko | MX | America/Merida | -6:00 | -5:00 | 01.04.2012 02:00 | 28.10.2012 02:00 |
| Meksiko | MX | America/Mexico_City | -6:00 | -5:00 | 01.04.2012 02:00 | 28.10.2012 02:00 |
| Meksiko | MX | America/Monterrey | -6:00 | -5:00 | 01.04.2012 02:00 | 28.10.2012 02:00 |
| Meksiko | MX | America/Ojinaga | -7:00 | -6:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Meksiko | MX | America/Santa_Isabel | -8:00 | -7:00 | 01.04.2012 02:00 | 28.10.2012 02:00 |
| Meksiko | MX | America/Tijuana | -8:00 | -7:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Mikronesia | FM | Pacific/Chuuk | 10:00 | - | - | - |
| Mikronesia | FM | Pacific/Kosrae | 11:00 | - | - | - |
| Mikronesia | FM | Pacific/Pohnpei | 11:00 | - | - | - |
| Moldova | MD | Europe/Chisinau | 2:00 | 3:00 | 25.03.2012 03:00 | 28.10.2012 04:00 |
| Monaco | MC | Europe/Monaco | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Mongolia | MN | Asia/Choibalsan | 8:00 | - | - | - |
| Mongolia | MN | Asia/Hovd | 7:00 | - | - | - |
| Mongolia | MN | Asia/Ulaanbaatar | 8:00 | - | - | - |
| Montenegro | ME | Europe/Podgorica | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Montserrat | MS | America/Montserrat | -4:00 | - | - | - |
| Mosambik | MZ | Africa/Maputo | 2:00 | - | - | - |
| Myanmar | MM | Asia/Rangoon | 6:30 | - | - | - |
| Namibia | NA | Africa/Windhoek | 1:00 | 2:00 | 02.09.2012 02:00 | 01.04.2012 02:00 |
| Nauru | NR | Pacific/Nauru | 12:00 | - | - | - |
| Nepal | NP | Asia/Kathmandu | 5:45 | - | - | - |
| Nicaragua | NI | America/Managua | -6:00 | - | - | - |
| Niger | NE | Africa/Niamey | 1:00 | - | - | - |
| Nigeria | NG | Africa/Lagos | 1:00 | - | - | - |
| Niue | NU | Pacific/Niue | -11:00 | - | - | - |
| Norfolkinsaari | NF | Pacific/Norfolk | 11:30 | - | - | - |
| Norja | NO | Europe/Oslo | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Norsunluurannikko | CI | Africa/Abidjan | 0:00 | - | - | - |
| Oman | OM | Asia/Muscat | 4:00 | - | - | - |
| Pakistan | PK | Asia/Karachi | 5:00 | - | - | - |
| Palau | PW | Pacific/Palau | 9:00 | - | - | - |
| Palestiina | PS | Asia/Gaza | 2:00 | - | - | - |
| Palestiina | PS | Asia/Hebron | 2:00 | - | - | - |
| Panama | PA | America/Panama | -5:00 | - | - | - |
| Papua-Uusi-Guinea | PG | Pacific/Port_Moresby | 10:00 | - | - | - |
| Paraguay | PY | America/Asuncion | -4:00 | -3:00 | 07.10.2012 00:00 | 08.04.2012 00:00 |
| Peru | PE | America/Lima | -5:00 | - | - | - |
| Pitcairn | PN | Pacific/Pitcairn | -8:00 | - | - | - |
| Pohjois-Korea | KP | Asia/Pyongyang | 9:00 | - | - | - |
| Pohjois-Mariaanit | MP | Pacific/Saipan | 10:00 | - | - | - |
| Portugali | PT | Atlantic/Azores | -1:00 | 0:00 | 25.03.2012 00:00 | 28.10.2012 01:00 |
| Portugali | PT | Atlantic/Madeira | 0:00 | 1:00 | 25.03.2012 01:00 | 28.10.2012 02:00 |
| Portugali | PT | Europe/Lisbon | 0:00 | 1:00 | 25.03.2012 01:00 | 28.10.2012 02:00 |
| Puerto Rico | PR | America/Puerto_Rico | -4:00 | - | - | - |
| Puola | PL | Europe/Warsaw | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Päiväntasaajan Guinea | GQ | Africa/Malabo | 1:00 | - | - | - |
| Qatar | QA | Asia/Qatar | 3:00 | - | - | - |
| Ranska | FR | Europe/Paris | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Ranskan Guayana | GF | America/Cayenne | -3:00 | - | - | - |
| Ranskan Polynesia | PF | Pacific/Gambier | -9:00 | - | - | - |
| Ranskan Polynesia | PF | Pacific/Marquesas | -9:30 | - | - | - |
| Ranskan Polynesia | PF | Pacific/Tahiti | -10:00 | - | - | - |
| Ranskan eteläiset territoriot | TF | Indian/Kerguelen | 5:00 | - | - | - |
| Reunion | RE | Indian/Reunion | 4:00 | - | - | - |
| Romania | RO | Europe/Bucharest | 2:00 | 3:00 | 25.03.2012 03:00 | 28.10.2012 04:00 |
| Ruanda | RW | Africa/Kigali | 2:00 | - | - | - |
| Ruotsi | SE | Europe/Stockholm | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Saint Barthelemy | BL | America/St_Barthelemy | -4:00 | - | - | - |
| Saint Helena | SH | Atlantic/St_Helena | 0:00 | - | - | - |
| Saint Kitts ja Nevis | KN | America/St_Kitts | -4:00 | - | - | - |
| Saint Lucia | LC | America/St_Lucia | -4:00 | - | - | - |
| Saint Martin | MF | America/Marigot | -4:00 | - | - | - |
| Saint Pierre ja Miquelon | PM | America/Miquelon | -3:00 | -2:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Saint Vincent ja Grenadiinit | VC | America/St_Vincent | -4:00 | - | - | - |
| Saksa | DE | Europe/Berlin | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Salomonsaaret | SB | Pacific/Guadalcanal | 11:00 | - | - | - |
| Sambia | ZM | Africa/Lusaka | 2:00 | - | - | - |
| Samoa | WS | Pacific/Apia | 13:00 | 14:00 | 29.09.2012 03:00 | 01.04.2012 04:00 |
| San Marino | SM | Europe/San_Marino | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Sao Tome ja Principe | ST | Africa/Sao_Tome | 0:00 | - | - | - |
| Saudi Arabia | SA | Asia/Riyadh | 3:00 | - | - | - |
| Senegal | SN | Africa/Dakar | 0:00 | - | - | - |
| Serbia | RS | Europe/Belgrade | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Seychellit | SC | Indian/Mahe | 4:00 | - | - | - |
| Sierra Leone | SL | Africa/Freetown | 0:00 | - | - | - |
| Singapore | SG | Asia/Singapore | 8:00 | - | - | - |
| Sint Maarten | SX | America/Lower_Princes | -4:00 | - | - | - |
| Slovakia | SK | Europe/Bratislava | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Slovenia | SI | Europe/Ljubljana | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Somalia | SO | Africa/Mogadishu | 3:00 | - | - | - |
| Sri Lanka | LK | Asia/Colombo | 5:30 | - | - | - |
| Sudan | SD | Africa/Khartoum | 3:00 | - | - | - |
| Suomi/Ahvenanmaa | AX | Europe/Mariehamn | 2:00 | 3:00 | 25.03.2012 03:00 | 28.10.2012 04:00 |
| Suomi | FI | Europe/Helsinki | 2:00 | 3:00 | 25.03.2012 03:00 | 28.10.2012 04:00 |
| Suriname | SR | America/Paramaribo | -3:00 | - | - | - |
| Svalbard | SJ | Arctic/Longyearbyen | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Sveitsi | CH | Europe/Zurich | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Swazimaa | SZ | Africa/Mbabane | 2:00 | - | - | - |
| Syyria | SY | Asia/Damascus | 2:00 | 3:00 | 06.04.2012 00:00 | 26.10.2012 00:00 |
| Tadzikistan | TJ | Asia/Dushanbe | 5:00 | - | - | - |
| Taiwan | TW | Asia/Taipei | 8:00 | - | - | - |
| Tansania | TZ | Africa/Dar_es_Salaam | 3:00 | - | - | - |
| Tanska | DK | Europe/Copenhagen | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Thaimaa | TH | Asia/Bangkok | 7:00 | - | - | - |
| Togo | TG | Africa/Lome | 0:00 | - | - | - |
| Tokelau | TK | Pacific/Fakaofo | 14:00 | - | - | - |
| Tonga | TO | Pacific/Tongatapu | 13:00 | - | - | - |
| Trinidad ja Tobago | TT | America/Port_of_Spain | -4:00 | - | - | - |
| Tsad | TD | Africa/Ndjamena | 1:00 | - | - | - |
| Tsekki | CZ | Europe/Prague | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Tunisia | TN | Africa/Tunis | 1:00 | - | - | - |
| Turkki | TR | Europe/Istanbul | 2:00 | 3:00 | 25.03.2012 03:00 | 28.10.2012 04:00 |
| Turkmenistan | TM | Asia/Ashgabat | 5:00 | - | - | - |
| Turks- ja Caicossaaret | TC | America/Grand_Turk | -5:00 | -4:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Tuvalu | TV | Pacific/Funafuti | 12:00 | - | - | - |
| Uganda | UG | Africa/Kampala | 3:00 | - | - | - |
| Ukraina | UA | Europe/Kiev | 2:00 | 3:00 | 25.03.2012 03:00 | 28.10.2012 04:00 |
| Ukraina | UA | Europe/Simferopol | 2:00 | 3:00 | 25.03.2012 03:00 | 28.10.2012 04:00 |
| Ukraina | UA | Europe/Uzhgorod | 2:00 | 3:00 | 25.03.2012 03:00 | 28.10.2012 04:00 |
| Ukraina | UA | Europe/Zaporozhye | 2:00 | 3:00 | 25.03.2012 03:00 | 28.10.2012 04:00 |
| Unkari | HU | Europe/Budapest | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Uruguay | UY | America/Montevideo | -3:00 | -2:00 | 07.10.2012 02:00 | 11.03.2012 02:00 |
| Uusi-Kaledonia | NC | Pacific/Noumea | 11:00 | - | - | - |
| Uusi-Seelanti | NZ | Pacific/Auckland | 12:00 | 13:00 | 30.09.2012 02:00 | 01.04.2012 03:00 |
| Uusi-Seelanti | NZ | Pacific/Chatham | 12:45 | 13:45 | 30.09.2012 02:45 | 01.04.2012 03:45 |
| Uzbekistan | UZ | Asia/Samarkand | 5:00 | - | - | - |
| Uzbekistan | UZ | Asia/Tashkent | 5:00 | - | - | - |
| Valko-Venäjä | BY | Europe/Minsk | 3:00 | - | - | - |
| Vanuatu | VU | Pacific/Efate | 11:00 | - | - | - |
| Vatikaanivaltio | VA | Europe/Vatican | 1:00 | 2:00 | 25.03.2012 02:00 | 28.10.2012 03:00 |
| Venezuela | VE | America/Caracas | -4:30 | - | - | - |
| Venäjä | RU | Asia/Anadyr | 12:00 | - | - | - |
| Venäjä | RU | Asia/Irkutsk | 9:00 | - | - | - |
| Venäjä | RU | Asia/Kamchatka | 12:00 | - | - | - |
| Venäjä | RU | Asia/Krasnoyarsk | 8:00 | - | - | - |
| Venäjä | RU | Asia/Magadan | 12:00 | - | - | - |
| Venäjä | RU | Asia/Novokuznetsk | 7:00 | - | - | - |
| Venäjä | RU | Asia/Novosibirsk | 7:00 | - | - | - |
| Venäjä | RU | Asia/Omsk | 7:00 | - | - | - |
| Venäjä | RU | Asia/Sakhalin | 11:00 | - | - | - |
| Venäjä | RU | Asia/Vladivostok | 11:00 | - | - | - |
| Venäjä | RU | Asia/Yakutsk | 10:00 | - | - | - |
| Venäjä | RU | Asia/Yekaterinburg | 6:00 | - | - | - |
| Venäjä | RU | Europe/Kaliningrad | 3:00 | - | - | - |
| Venäjä | RU | Europe/Moscow | 4:00 | - | - | - |
| Venäjä | RU | Europe/Samara | 4:00 | - | - | - |
| Venäjä | RU | Europe/Volgograd | 4:00 | - | - | - |
| Vietnam | VN | Asia/Ho_Chi_Minh | 7:00 | - | - | - |
| Viro | EE | Europe/Tallinn | 2:00 | 3:00 | 25.03.2012 03:00 | 28.10.2012 04:00 |
| Wallis ja Futuna | WF | Pacific/Wallis | 12:00 | - | - | - |
| Yhdysvallat | US | America/Adak | -10:00 | -9:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Anchorage | -9:00 | -8:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Boise | -7:00 | -6:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Chicago | -6:00 | -5:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Denver | -7:00 | -6:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Detroit | -5:00 | -4:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Indiana/Indianapolis | -5:00 | -4:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Indiana/Knox | -6:00 | -5:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Indiana/Marengo | -5:00 | -4:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Indiana/Petersburg | -5:00 | -4:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Indiana/Tell_City | -6:00 | -5:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Indiana/Vevay | -5:00 | -4:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Indiana/Vincennes | -5:00 | -4:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Indiana/Winamac | -5:00 | -4:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Juneau | -9:00 | -8:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Kentucky/Louisville | -5:00 | -4:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Kentucky/Monticello | -5:00 | -4:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Los_Angeles | -8:00 | -7:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Menominee | -6:00 | -5:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Metlakatla | -8:00 | - | - | - |
| Yhdysvallat | US | America/New_York | -5:00 | -4:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Nome | -9:00 | -8:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/North_Dakota/Beulah | -6:00 | -5:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/North_Dakota/Center | -6:00 | -5:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/North_Dakota/New_Salem | -6:00 | -5:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Phoenix | -7:00 | - | - | - |
| Yhdysvallat | US | America/Shiprock | -7:00 | -6:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Sitka | -9:00 | -8:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | America/Yakutat | -9:00 | -8:00 | 11.03.2012 02:00 | 04.11.2012 02:00 |
| Yhdysvallat | US | Pacific/Honolulu | -10:00 | - | - | - |
| Yhdysvaltain Neitsytsaaret | VI | America/St_Thomas | -4:00 | - | - | - |
| Yhdysvaltain pienet erillissaaret | UM | Pacific/Johnston | -10:00 | - | - | - |
| Yhdysvaltain pienet erillissaaret | UM | Pacific/Midway | -11:00 | - | - | - |
| Yhdysvaltain pienet erillissaaret | UM | Pacific/Wake | 12:00 | - | - | - |
| Zimbabwe | ZW | Africa/Harare | 2:00 | - | - | - |