가끔 사용할일이 있길래..;;

GMT -1 : Reykjavik
GMT 0 : London, Lisbon, Casablanca, Las Palmas, Dakar, Abidjan
GMT +1 : Oslo, Stockholm, Berlin, Paris, Madrid, Rome, Lagos, Kinshasa
GMT +2 : Helsinki
GMT +3 : Moscow, Riyadh, Addis Ababa, Mogaishu, Nairobi, Antananarivo
GMT +4 : Teheran
GMT +5 : Karachi
GMT +6 : New Dehli, Calculta, Bombay, Madras
GMT +7 : Omsk
GMT +8 : Ulranbator, Beijing, Hong Kong, Taipei, Manila
GMT +9 : Pyungyang, Seoul, Pusan, Inchon, Tokyo, Osaka
GMT +10 : Vladivostok
GMT +11 : Okhotsk, Kamchatka Pen., Sakahalin I., Solomon Is.
GMT +12: Wellington, Fiji, Tunga, Marshall Is.
GMT -11 : Midway Is., Samoa Is., Phoenix Is.
GMT -10 : Anchorage, Honolulu, Taiti Is.
GMT -9 :
GMT -8 : Vancouver, Seattle, San Fransico, L.A.
GMT -7 : Denver
GMT -6 : Chicago, Dallas, Houston, Mexico City, San Jose
GMT -5 : Montreal, New York, Detroit, Havana, Bogota, Lima
GMT -4 : Caracas, La Paz, Santiago
GMT -3 : Brasilia, Sao Paulo, Rio De Janeiro, Montevideo, Buenos Aires
GMT -2  : South Geogia Island.