Eniwetok: Marshall Islands in the Pacific (GMT-12)

Samoa, Niue Island (GMT-11)

Hawaii, Cook Islands, Tahiti - French Polynesia (GMT-10)

Alaska (GMT-9)

Pacific Time: Pitcairn Islands, Canada, Mexico (GMT-8)

Mountain Time: USA and Canada (GMT-7)

Central Time: Belize, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua (GMT-6)

Eastern Time: Cayman Islands, Colombia, Ecuador, Haiti, Jamaica, Panama, Peru (GMT-5)

Atlantic Time: Anguilla, Antigua & Barbuda, Aruba, Barbados, Bonaire, Bolivia, Dominica, Dominican Republic, Grenada, Guyana, Puerto Rico, Saint Lucia , Trinidad and Tobago, Virgin Islands: British Virgin Islands & US Virgin Islands(GMT-4)

Brazilia, Argentina, Surinam(GMT-3)

Mid-Atlantic: South Georgia & The South Sandwich Islands (GMT-2)

Azores, South Georgia & The South Sandwich Islands (GMT-1)

Greenwich Mean Time - United Kingdom (GMT)

Rome, Algeria, Angola, Benin, Cameroon, Central African Republic, Chad, Democratic Republic of Congo, Republic of Congo, Equatorial Guinea, Gabon, Guinea, Niger, Nigeria (GMT +1)

Israel, Botswana, Burkina Faso, Democratic Republic of Congo (part), Ethiopia, Lesotho,  Libya, Malawi, Mozambique, Rwanda, South Africa, Swaziland, Zambia, Zimbabwe (GMT +2)

Moscow, Bahrain Comoros, Djibouti, Eritrea, Kuwait, Kenya, Madagascar, Qatar Saudi Arabia, Somalia, Sudan, Tanzania, Uganda, Yemen (GMT +3)

Baku, Azerbaijan, Georgia, Mauritius,  Oman, Seychelles, United Arab Emirates (UAE) (GMT +4)

Pakistan, Maldives, Tajikistan, Turkmenistan, Uzbekistan, New Delhi (GMT +5)

Dhakar, Bangladesh, Bhutan, Kazakhstan, Kyrgyzstan, Sri Lanka-formerly Ceylon (GMT +6)

Bangkok, Cambodia, Christmas Island, Indonesia  (part), Lao, Thailand, Vietnam (GMT +7)

Hong Kong, Brunei Darussalam, China, Indonesia (Bali, Nusa Tenggara, South & East Kalimantan, Sulawesi only), Malaysia, Mongolia, Philippines,  Singapore, Taiwan(GMT +8)

East Timor, Indonesia (Sumatra, Java, West & Central Kalimantan only), Japan, Korea (North) (Peoples Democratic Republic of Korea), Korea (South) (Republic of Korea), Palau (GMT +9)

Sydney, Caroline Islands, Papua New Guinea (GMT +10)

Magadan, Solomon Islands(GMT +11)