| Vietnam São Tomé and Príncipe | Greenwich Mean Time | 07:00 |
| Vietnam Saint Lucia | Atlantic Time | 11:00 |
| Vietnam Mayotte | East Africa Time | 04:00 |
| Vietnam U.S. Virgin Islands | Atlantic Time | 11:00 |
| Vietnam Saint Vincent and the Grenadines | Atlantic Time | 11:00 |
| Vietnam Seychelles | Pacific Time | 14:00 |
| Vietnam Antigua and Barbuda | Newfoundland Time | 09:30 |
| Vietnam Andorra | Central European Time | 05:00 |
| Vietnam Dominica | Atlantic Time | 11:00 |
| Vietnam Aruba | Atlantic Time | 11:00 |
| Vietnam Marshall Islands | Marshall Islands Time | -05:00 |
| Vietnam Bermuda | Eastern Time | 11:00 |
| Vietnam American Samoa | Samoa Time | 18:00 |
| Vietnam Greenland | West Greenland Time | 09:00 |
| Vietnam Northern Mariana Islands | Chamorro Standard Time | -03:00 |
| Vietnam Saint Kitts and Nevis | Atlantic Time | 11:00 |
| Vietnam Faroe Islands | Western European Time | 06:00 |
| Vietnam Cayman Islands | Malaysia Time | -01:00 |
| Vietnam Monaco | Central European Time | 05:00 |
| Vietnam Gibraltar | Central European Time | 05:00 |
| Vietnam Montserrat | United Kingdom Time | 06:00 |
| Vietnam Saint Helena | Eastern Time | 11:00 |
| Vietnam Saint Pierre and Miquelon | Reunion Time | 03:00 |
| Vietnam Falkland Islands (Islas Malvinas) | United Kingdom Time | 06:00 |
| Vietnam Norfolk Island | Eastern Time | 12:00 |