| Guinea-Bissau China | China Time | -08:00 |
| Guinea-Bissau India | India Standard Time | -05:30 |
| Guinea-Bissau United States | United Kingdom Time | -01:00 |
| Guinea-Bissau Brazil | Brasilia Time | 03:00 |
| Guinea-Bissau Pakistan | Pakistan Time | -05:00 |
| Guinea-Bissau Russia | Moscow Time | -03:00 |
| Guinea-Bissau Mexico | Central Time | 05:00 |
| Guinea-Bissau Philippines | Philippine Time | -08:00 |
| Guinea-Bissau Vietnam | Indochina Time | -07:00 |
| Guinea-Bissau Ethiopia | East Africa Time | -03:00 |
| Guinea-Bissau Germany | Central European Time | -02:00 |
| Guinea-Bissau Egypt | Eastern European Time | -02:00 |
| Guinea-Bissau Turkey | Turkey Time | -03:00 |
| Guinea-Bissau Thailand | Indochina Time | -07:00 |
| Guinea-Bissau France | Central European Time | -02:00 |
| Guinea-Bissau United Kingdom | United Kingdom Time | -01:00 |
| Guinea-Bissau Italy | Central European Time | -02:00 |
| Guinea-Bissau South Africa | South Africa Standard Time | -02:00 |
| Guinea-Bissau South Korea | Korean Time | -09:00 |
| Guinea-Bissau Spain | Central European Time | -02:00 |
| Guinea-Bissau Tanzania | East Africa Time | -03:00 |
| Guinea-Bissau Argentina | Argentina Time | 03:00 |
| Guinea-Bissau Kenya | East Africa Time | -03:00 |
| Guinea-Bissau Poland | Central European Time | -02:00 |
| Guinea-Bissau Sudan | Central Africa Time | -02:00 |
| Guinea-Bissau Algeria | Central European Time | -01:00 |
| Guinea-Bissau Morocco | Western European Time | -01:00 |
| Guinea-Bissau Canada | Eastern Time | 04:00 |
| Guinea-Bissau Uganda | East Africa Time | -03:00 |
| Guinea-Bissau Peru | Peru Time | 05:00 |
| Guinea-Bissau Iraq | Arabian Time | -03:00 |
| Guinea-Bissau Afghanistan | Afghanistan Time | -04:30 |
| Guinea-Bissau Nepal | Nepal Time | -05:45 |
| Guinea-Bissau Malaysia | Malaysia Time | -08:00 |
| Guinea-Bissau Uzbekistan | Uzbekistan Time | -05:00 |
| Guinea-Bissau Venezuela | Venezuela Time | 04:00 |
| Guinea-Bissau Ghana | Greenwich Mean Time | 00:00 |
| Guinea-Bissau Yemen | Arabian Time | -03:00 |
| Guinea-Bissau North Korea | Pyongyang Time | -09:00 |
| Guinea-Bissau Syria | Eastern European Time | -03:00 |
| Guinea-Bissau Mozambique | Central Africa Time | -02:00 |
| Guinea-Bissau Romania | Eastern European Time | -03:00 |
| Guinea-Bissau Australia | Eastern Australia Time | -10:00 |
| Guinea-Bissau Sri Lanka | India Standard Time | -05:30 |
| Guinea-Bissau Côte d'Ivoire | Greenwich Mean Time | 00:00 |
| Guinea-Bissau Cameroon | West Africa Time | -01:00 |
| Guinea-Bissau Chile | Philippine Time | -08:00 |
| Guinea-Bissau Netherlands | Central European Time | -02:00 |
| Guinea-Bissau Burkina Faso | Greenwich Mean Time | 00:00 |
| Guinea-Bissau Niger | West Africa Time | -01:00 |