| Cachoeira Abanilla | Central European Time | -05:00 |
| Cachoeira Aberlady | United Kingdom Time | -04:00 |
| Cachoeira Abisko | Central European Time | -05:00 |
| Cachoeira Abingdon | Eastern Time | 01:00 |
| Cachoeira Abington | Eastern Time | 01:00 |
| Cachoeira Aberdeen | Central Time | 02:00 |
| Cachoeira Abeibara | Greenwich Mean Time | -03:00 |
| Cachoeira Abbotsford | Eastern Australia Time | -13:00 |
| Cachoeira Alexandria Bay | Eastern Time | 01:00 |
| Cachoeira Alfonso Lista | Philippine Time | -11:00 |
| Cachoeira Alfornelos | Western European Time | -04:00 |
| Cachoeira Alger Centre | Central European Time | -04:00 |
| Cachoeira Algerias | Colombia Time | 02:00 |
| Cachoeira Algermissen | Central European Time | -05:00 |
| Cachoeira Algiers | South Africa Standard Time | -05:00 |
| Cachoeira Algoma | Central Time | 02:00 |
| Cachoeira Algood | Central Time | 02:00 |
| Cachoeira Alhos Vedros | Western European Time | -04:00 |
| Cachoeira Alhandra | Western European Time | -04:00 |
| Cachoeira Antananarivo | East Africa Time | -06:00 |
| Cachoeira Antibes | Central European Time | -05:00 |
| Cachoeira Antigonish | Atlantic Time | 00:00 |
| Cachoeira Avon | United Kingdom Time | -04:00 |
| Cachoeira Avon | Eastern Time | 01:00 |
| Cachoeira Avon-by-the-Sea | Eastern Time | 01:00 |
| Cachoeira Applecross | Western Australia Time | -11:00 |
| Cachoeira Appenzell District | Central European Time | -05:00 |
| Cachoeira Apple Springs | Central Time | 02:00 |
| Cachoeira Apollo Beach | Eastern Time | 01:00 |
| Cachoeira Antwerp | Central European Time | -05:00 |
| Cachoeira Anzegem | Central European Time | -05:00 |
| Cachoeira Anzegem | Central European Time | -05:00 |
| Cachoeira Aoulouz | Western European Time | -04:00 |
| Cachoeira Aougrout | Central European Time | -04:00 |
| Cachoeira Anzola dell'Emilia | Central European Time | -05:00 |
| Cachoeira Ao Nang | Indochina Time | -10:00 |
| Cachoeira Aoba Ward | Japan Time | -12:00 |
| Cachoeira Aoi Ward | Japan Time | -12:00 |