| Delémont Alachua | Eastern Time | 06:00 |
| Delémont Alagón | Central European Time | 00:00 |
| Delémont Aigle | Central European Time | 00:00 |
| Delémont Aiea | Hawaii-Aleutian Time | 11:00 |
| Delémont Agurain | Central European Time | 00:00 |
| Delémont Aitkenvale | Eastern Australia Time | -09:00 |
| Delémont Airport West | Eastern Australia Time | -10:00 |
| Delémont Air Itam | Malaysia Time | -07:00 |
| Delémont Ajanta | India Standard Time | -04:30 |
| Delémont Alexandria Bay | Eastern Time | 06:00 |
| Delémont Alenquer | Western European Time | 01:00 |
| Delémont Alexander Heights | Western Australia Time | -07:00 |
| Delémont Altona North | Eastern Australia Time | -10:00 |
| Delémont Altona | Eastern Australia Time | -10:00 |
| Delémont Alhos Vedros | Western European Time | 01:00 |
| Delémont Alhandra | Western European Time | 01:00 |
| Delémont Alfonso Lista | Philippine Time | -07:00 |
| Delémont Alfornelos | Western European Time | 01:00 |
| Delémont Alger Centre | Central European Time | 00:00 |
| Delémont Algerias | Colombia Time | 06:00 |
| Delémont Algermissen | Central European Time | 00:00 |
| Delémont Algood | Central Time | 07:00 |
| Delémont Algiers | South Africa Standard Time | -01:00 |
| Delémont Algoma | Central Time | 07:00 |
| Delémont Albisola Superiore | Central European Time | 00:00 |
| Delémont Albert Park | Eastern Australia Time | -10:00 |
| Delémont Alcanar | Central European Time | 00:00 |
| Delémont Alconaba | Central European Time | 00:00 |
| Delémont Alcochete | Western European Time | 01:00 |
| Delémont Alba Adriatica | Central European Time | 00:00 |
| Delémont Alaró | Central European Time | 00:00 |
| Delémont Alavandipuram | India Standard Time | -04:30 |
| Delémont Alaska | Atlantic Time | 05:00 |
| Delémont Alaska | Central Time | 07:00 |
| Delémont Alaska | Eastern Time | 06:00 |
| Delémont Alata | Central European Time | 00:00 |
| Delémont Alappuzha | India Standard Time | -04:30 |
| Delémont Alamarathupatti | India Standard Time | -04:30 |