| UTC-06:00 | 7 | Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua |
| UTC-05:00 | 10 | Bahamas, Canada, Colombia, Cuba, Ecuador, Haiti, Jamaica, Panama, Peru, United States |
| UTC-04:00 | 13 | Antigua and Barbuda, Barbados, Bolivia, Chile, Dominica, Dominican Republic, Grenada, Guyana, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Trinidad and Tobago, Venezuela |
| UTC-03:00 | 5 | Argentina, Brazil, Paraguay, Suriname, Uruguay |
| UTC-01:00 | 1 | Cape Verde |
| UTC | 16 | Burkina Faso, Gambia, Ghana, Guinea, Iceland, Ireland, Ivory Coast, Liberia, Mali, Mauritania, Portugal, Senegal, Sierra Leone, São Tomé and Príncipe, Togo, United Kingdom |
| UTC+01:00 | 44 | Albania, Algeria, Andorra, Angola, Austria, Belgium, Benin, Bosnia and Herzegovina, Cameroon, Central African Republic, Chad, Croatia, Czechia, DR Congo, Denmark, Equatorial Guinea, France, Gabon, Germany, Hungary, Italy, Kosovo, Liechtenstein, Luxembourg, Malta, Monaco, Montenegro, Morocco, Netherlands, Niger, Nigeria, North Macedonia, Norway, Poland, Republic of the Congo, San Marino, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Tunisia, Vatican City |
| UTC+02:00 | 28 | Botswana, Bulgaria, Burundi, Cyprus, Egypt, Estonia, Eswatini, Finland, Greece, Israel, Latvia, Lebanon, Lesotho, Libya, Lithuania, Malawi, Moldova, Mozambique, Namibia, Palestine, Romania, Rwanda, South Africa, South Sudan, Sudan, Ukraine, Zambia, Zimbabwe |
| UTC+03:00 | 20 | Bahrain, Belarus, Comoros, Djibouti, Eritrea, Ethiopia, Iraq, Jordan, Kenya, Kuwait, Madagascar, Qatar, Russia, Saudi Arabia, Somalia, Syria, Tanzania, Turkey, Uganda, Yemen |
| UTC+03:30 | 1 | Iran |
| UTC+04:00 | 7 | Armenia, Azerbaijan, Georgia, Mauritius, Oman, Seychelles, United Arab Emirates |
| UTC+04:30 | 1 | Afghanistan |
| UTC+05:00 | 6 | Kazakhstan, Maldives, Pakistan, Tajikistan, Turkmenistan, Uzbekistan |
| UTC+05:30 | 2 | India, Sri Lanka |
| UTC+05:45 | 1 | Nepal |
| UTC+06:00 | 3 | Bangladesh, Bhutan, Kyrgyzstan |
| UTC+06:30 | 1 | Myanmar |
| UTC+07:00 | 5 | Cambodia, Indonesia, Laos, Thailand, Vietnam |
| UTC+08:00 | 7 | Brunei, China, Malaysia, Mongolia, Philippines, Singapore, Taiwan |
| UTC+09:00 | 5 | Japan, North Korea, Palau, South Korea, Timor-Leste |
| UTC+10:00 | 3 | Australia, Micronesia, Papua New Guinea |
| UTC+11:00 | 2 | Solomon Islands, Vanuatu |
| UTC+12:00 | 6 | Fiji, Kiribati, Marshall Islands, Nauru, New Zealand, Tuvalu |
| UTC+13:00 | 2 | Samoa, Tonga |