list of gmt timezones in different languages

timezones.txt

/*
|--------------------------------------------------------------------------
| GMT Timezones
|--------------------------------------------------------------------------
|
| List GMT Timezones
*/

************ PHP ************
$timezones = array(
   '-12'  => '(GMT -12:00) Eniwetok, Kwajalein',
   '-11'  => '(GMT -11:00) Midway Island, Samoa',
   '-10'  => '(GMT -10:00) Hawaii',
   '-9'   => '(GMT -9:00) Alaska',
   '-8'   => '(GMT -8:00) Pacific Time (US & Canada)',
   '-7'   => '(GMT -7:00) Mountain Time (US & Canada)',
   '-6'   => '(GMT -6:00) Central Time (US & Canada), Mexico City',
   '-5'   => '(GMT -5:00) Eastern Time (US & Canada), Bogota, Lima',
   '-4'   => '(GMT -4:00) Atlantic Time (Canada), Caracas, La Paz',
   '-3.5' => '(GMT -3:30) Newfoundland',
   '-3'   => '(GMT -3:00) Brazil, Buenos Aires, Georgetown',
   '-2'   => '(GMT -2:00) Mid-Atlantic',
   '-1'   => '(GMT -1:00 hour) Azores, Cape Verde Islands',
   '0'    => '(GMT) Western Europe Time, London, Lisbon, Casablanca',
   '1'    => '(GMT +1:00 hour) Brussels, Copenhagen, Madrid, Paris',
   '2'    => '(GMT +2:00) Kaliningrad, South Africa',
   '3'    => '(GMT +3:00) Baghdad, Riyadh, Moscow, St. Petersburg',
   '3.5'  => '(GMT +3:30) Tehran',
   '4'    => '(GMT +4:00) Abu Dhabi, Muscat, Baku, Tbilisi',
   '4.5'  => '(GMT +4:30) Kabul',
   '5'    => '(GMT +5:00) Ekaterinburg, Islamabad, Karachi, Tashkent',
   '5.5'  => '(GMT +5:30) Bombay, Calcutta, Madras, New Delhi',
   '6'    => '(GMT +6:00) Almaty, Dhaka, Colombo',
   '7'    => '(GMT +7:00) Bangkok, Hanoi, Jakarta',
   '8'    => '(GMT +8:00) Beijing, Perth, Singapore, Hong Kong',
   '9'    => '(GMT +9:00) Tokyo, Seoul, Osaka, Sapporo, Yakutsk',
   '9.5'  => '(GMT +9:30) Adelaide, Darwin',
   '10'   => '(GMT +10:00) Eastern Australia, Guam, Vladivostok',
   '11'   => '(GMT +11:00) Magadan, Solomon Islands, New Caledonia',
   '12'   => '(GMT +12:00) Auckland, Wellington, Fiji, Kamchatka'
);

echo $timezones['-12'];

************ RUBY ************
timezones = {
  '-12'  => '(GMT -12:00) Eniwetok, Kwajalein',
   '-11'  => '(GMT -11:00) Midway Island, Samoa',
   '-10'  => '(GMT -10:00) Hawaii',
   '-9'   => '(GMT -9:00) Alaska',
   '-8'   => '(GMT -8:00) Pacific Time (US & Canada)',
   '-7'   => '(GMT -7:00) Mountain Time (US & Canada)',
   '-6'   => '(GMT -6:00) Central Time (US & Canada), Mexico City',
   '-5'   => '(GMT -5:00) Eastern Time (US & Canada), Bogota, Lima',
   '-4'   => '(GMT -4:00) Atlantic Time (Canada), Caracas, La Paz',
   '-3.5' => '(GMT -3:30) Newfoundland',
   '-3'   => '(GMT -3:00) Brazil, Buenos Aires, Georgetown',
   '-2'   => '(GMT -2:00) Mid-Atlantic',
   '-1'   => '(GMT -1:00 hour) Azores, Cape Verde Islands',
   '0'    => '(GMT) Western Europe Time, London, Lisbon, Casablanca',
   '1'    => '(GMT +1:00 hour) Brussels, Copenhagen, Madrid, Paris',
   '2'    => '(GMT +2:00) Kaliningrad, South Africa',
   '3'    => '(GMT +3:00) Baghdad, Riyadh, Moscow, St. Petersburg',
   '3.5'  => '(GMT +3:30) Tehran',
   '4'    => '(GMT +4:00) Abu Dhabi, Muscat, Baku, Tbilisi',
   '4.5'  => '(GMT +4:30) Kabul',
   '5'    => '(GMT +5:00) Ekaterinburg, Islamabad, Karachi, Tashkent',
   '5.5'  => '(GMT +5:30) Bombay, Calcutta, Madras, New Delhi',
   '6'    => '(GMT +6:00) Almaty, Dhaka, Colombo',
   '7'    => '(GMT +7:00) Bangkok, Hanoi, Jakarta',
   '8'    => '(GMT +8:00) Beijing, Perth, Singapore, Hong Kong',
   '9'    => '(GMT +9:00) Tokyo, Seoul, Osaka, Sapporo, Yakutsk',
   '9.5'  => '(GMT +9:30) Adelaide, Darwin',
   '10'   => '(GMT +10:00) Eastern Australia, Guam, Vladivostok',
   '11'   => '(GMT +11:00) Magadan, Solomon Islands, New Caledonia',
   '12'   => '(GMT +12:00) Auckland, Wellington, Fiji, Kamchatka'
}

puts timezones['-12']

************ JAVASCRIPT ************
var timezones = {}
timezones['-12'] = '(GMT -12:00) Eniwetok, Kwajalein';
timezones['-11']  = '(GMT -11:00) Midway Island, Samoa';
timezones['-10']  = '(GMT -10:00) Hawaii';
timezones['-9']   = '(GMT -9:00) Alaska';
timezones['-8']   = '(GMT -8:00) Pacific Time (US & Canada)';
timezones['-7']   = '(GMT -7:00) Mountain Time (US & Canada)';
timezones['-6']   = '(GMT -6:00) Central Time (US & Canada), Mexico City';
timezones['-5']   = '(GMT -5:00) Eastern Time (US & Canada), Bogota, Lima';
timezones['-4']   = '(GMT -4:00) Atlantic Time (Canada), Caracas, La Paz';
timezones['-3.5'] = '(GMT -3:30) Newfoundland';
timezones['-3']   = '(GMT -3:00) Brazil, Buenos Aires, Georgetown';
timezones['-2']   = '(GMT -2:00) Mid-Atlantic';
timezones['-1']   = '(GMT -1:00 hour) Azores, Cape Verde Islands';
timezones['0']    = '(GMT) Western Europe Time, London, Lisbon, Casablanca';
timezones['1']    = '(GMT +1:00 hour) Brussels, Copenhagen, Madrid, Paris';
timezones['2']    = '(GMT +2:00) Kaliningrad, South Africa';
timezones['3']    = '(GMT +3:00) Baghdad, Riyadh, Moscow, St. Petersburg';
timezones['3.5']  = '(GMT +3:30) Tehran';
timezones['4']    = '(GMT +4:00) Abu Dhabi, Muscat, Baku, Tbilisi';
timezones['4.5']  = '(GMT +4:30) Kabul';
timezones['5']    = '(GMT +5:00) Ekaterinburg, Islamabad, Karachi, Tashkent';
timezones['5.5']  = '(GMT +5:30) Bombay, Calcutta, Madras, New Delhi';
timezones['6']    = '(GMT +6:00) Almaty, Dhaka, Colombo';
timezones['7']    = '(GMT +7:00) Bangkok, Hanoi, Jakarta';
timezones['8']    = '(GMT +8:00) Beijing, Perth, Singapore, Hong Kong';
timezones['9']    = '(GMT +9:00) Tokyo, Seoul, Osaka, Sapporo, Yakutsk';
timezones['9.5']  = '(GMT +9:30) Adelaide, Darwin';
timezones['10']   = '(GMT +10:00) Eastern Australia, Guam, Vladivostok';
timezones['11']   = '(GMT +11:00) Magadan, Solomon Islands, New Caledonia';
timezones['12']   = '(GMT +12:00) Auckland, Wellington, Fiji, Kamchatka';

alert(timezones['-12']);​

Few of them are not correct for ex.:
Wellington is GMT +13.00

Thanks, is there an official Timezone table? This table was taken from Github somewhere.