| United Kingdom Bosnia and Herzegovina | Central European Time | -01:00 |
| United Kingdom Costa Rica | Central Time | 06:00 |
| United Kingdom Croatia | Central European Time | -01:00 |
| United Kingdom New Zealand | New Zealand Time | -13:00 |
| United Kingdom Lebanon | Eastern European Time | -02:00 |
| United Kingdom Puerto Rico | Argentina Time | 03:00 |
| United Kingdom Liberia | Greenwich Mean Time | 00:00 |
| United Kingdom Uruguay | Uruguay Time | 03:00 |
| United Kingdom Panama | Central Time | 06:00 |
| United Kingdom Mauritania | Greenwich Mean Time | 00:00 |
| United Kingdom Congo | West Africa Time | -01:00 |
| United Kingdom Albania | Central European Time | -01:00 |
| United Kingdom Armenia | Armenia Time | -04:00 |
| United Kingdom Lithuania | Eastern European Time | -02:00 |
| United Kingdom Jamaica | Eastern Time | 05:00 |
| United Kingdom Kuwait | Arabian Time | -03:00 |
| United Kingdom Latvia | Eastern European Time | -02:00 |
| United Kingdom Namibia | Central Africa Time | -02:00 |
| United Kingdom Botswana | Central Africa Time | -02:00 |
| United Kingdom Slovenia | Central European Time | -01:00 |
| United Kingdom Lesotho | South Africa Standard Time | -02:00 |
| United Kingdom The Gambia | Eastern Australia Time | -11:00 |
| United Kingdom Guinea-Bissau | Greenwich Mean Time | 00:00 |
| United Kingdom Gabon | West Africa Time | -01:00 |
| United Kingdom Swaziland | South Africa Standard Time | -02:00 |
| United Kingdom Mauritius | Mauritius Time | -04:00 |
| United Kingdom Estonia | Eastern European Time | -02:00 |
| United Kingdom Timor-Leste | East Timor Time | -09:00 |
| United Kingdom Equatorial Guinea | West Africa Time | -01:00 |
| United Kingdom Fiji | Fiji Time | -13:00 |
| United Kingdom Qatar | Arabian Time | -03:00 |
| United Kingdom Reunion | Reunion Time | -04:00 |
| United Kingdom Comoros | East Africa Time | -03:00 |
| United Kingdom Guyana | Guyana Time | 04:00 |
| United Kingdom Djibouti | East Africa Time | -03:00 |
| United Kingdom Bahrain | Arabian Time | -03:00 |
| United Kingdom Bhutan | Bhutan Time | -06:00 |
| United Kingdom Solomon Islands | Solomon Islands Time | -11:00 |
| United Kingdom Cape Verde | Cape Verde Time | 01:00 |
| United Kingdom Luxembourg | Central European Time | -01:00 |
| United Kingdom Suriname | Suriname Time | 03:00 |
| United Kingdom Guadeloupe | Atlantic Time | 04:00 |
| United Kingdom Martinique | Atlantic Time | 04:00 |
| United Kingdom Brunei | Brunei Darussalam Time | -08:00 |
| United Kingdom Belize | Central Time | 06:00 |
| United Kingdom The Bahamas | Eastern Time | 05:00 |
| United Kingdom Barbados | Atlantic Time | 04:00 |
| United Kingdom French Polynesia | Tahiti Time | 10:00 |
| United Kingdom French Guiana | French Guiana Time | 03:00 |
| United Kingdom Samoa | Apia Time | -13:00 |