| Fira Abisko | Central European Time | 01:00 |
| Fira Abingdon | Eastern Time | 07:00 |
| Fira Abington | Eastern Time | 07:00 |
| Fira Aberdeen | Central Time | 08:00 |
| Fira Abeibara | Greenwich Mean Time | 03:00 |
| Fira Abbotsford | Eastern Australia Time | -07:00 |
| Fira Alexandria Bay | Eastern Time | 07:00 |
| Fira Alfonso Lista | Philippine Time | -05:00 |
| Fira Alfornelos | Western European Time | 02:00 |
| Fira Alger Centre | Central European Time | 02:00 |
| Fira Algerias | Colombia Time | 08:00 |
| Fira Algermissen | Central European Time | 01:00 |
| Fira Algiers | South Africa Standard Time | 01:00 |
| Fira Algoma | Central Time | 08:00 |
| Fira Algood | Central Time | 08:00 |
| Fira Alhos Vedros | Western European Time | 02:00 |
| Fira Alhandra | Western European Time | 02:00 |
| Fira Arden | Eastern Time | 07:00 |
| Fira Ardross | Western Australia Time | -05:00 |
| Fira Ardsley | Eastern Time | 07:00 |
| Fira Åre | Central European Time | 01:00 |
| Fira Arcugnano | Central European Time | 01:00 |
| Fira Argenbühl | Central European Time | 01:00 |
| Fira Argent-sur-Sauldre | Central European Time | 01:00 |
| Fira Bahrain | Pakistan Time | -02:00 |
| Fira Bahrs Scrub | Eastern Australia Time | -07:00 |
| Fira Baichanalli | India Standard Time | -02:30 |
| Fira Baidani | India Standard Time | -02:30 |
| Fira Baie-D'Urfe | Eastern Time | 07:00 |
| Fira Arncliffe | Eastern Australia Time | -07:00 |
| Fira Arnedo | Central European Time | 01:00 |
| Fira Arpora | India Standard Time | -02:30 |
| Fira Arossim | India Standard Time | -02:30 |
| Fira Ariana | Central European Time | 02:00 |
| Fira Arlesheim | Central European Time | 01:00 |
| Fira Arklow | Ireland Time | 02:00 |
| Fira Arkula | India Standard Time | -02:30 |
| Fira Armstrong | Pacific Time | 10:00 |