| Kielce Abisko | Central European Time | 00:00 |
| Kielce Abingdon | Eastern Time | 06:00 |
| Kielce Abington | Eastern Time | 06:00 |
| Kielce Aberdeen | Central Time | 07:00 |
| Kielce Abeibara | Greenwich Mean Time | 01:00 |
| Kielce Abbotsford | Eastern Australia Time | -10:00 |
| Kielce Almuwaylih | Arabian Time | -02:00 |
| Kielce Alphington | Eastern Australia Time | -10:00 |
| Kielce Altavilla Vicentina | Central European Time | 00:00 |
| Kielce Altdorf | Central European Time | 00:00 |
| Kielce Allenspark | Mountain Time | 08:00 |
| Kielce Allostock | United Kingdom Time | 01:00 |
| Kielce Allenby Gardens | Central Australia Time | -09:30 |
| Kielce Almeley | United Kingdom Time | 01:00 |
| Kielce Almargem do Bispo | Western European Time | 01:00 |
| Kielce Almancil | Western European Time | 01:00 |
| Kielce Albisola Superiore | Central European Time | 00:00 |
| Kielce Albert Park | Eastern Australia Time | -10:00 |
| Kielce Alba Adriatica | Central European Time | 00:00 |
| Kielce Alaró | Central European Time | 00:00 |
| Kielce Alavandipuram | India Standard Time | -04:30 |
| Kielce Alaska | Atlantic Time | 05:00 |
| Kielce Alaska | Central Time | 07:00 |
| Kielce Alaska | Eastern Time | 06:00 |
| Kielce Alata | Central European Time | 00:00 |
| Kielce Alappuzha | India Standard Time | -04:30 |
| Kielce Alamarathupatti | India Standard Time | -04:30 |
| Kielce Ajijic | Central Time | 07:00 |
| Kielce Al-Qayrawan | Central European Time | 00:00 |
| Kielce Alachua | Eastern Time | 06:00 |
| Kielce Alagón | Central European Time | 00:00 |
| Kielce Aigle | Central European Time | 00:00 |
| Kielce Aiea | Hawaii-Aleutian Time | 11:00 |
| Kielce Agurain | Central European Time | 00:00 |
| Kielce Aitkenvale | Eastern Australia Time | -09:00 |
| Kielce Airport West | Eastern Australia Time | -10:00 |
| Kielce Air Itam | Malaysia Time | -07:00 |
| Kielce Ajanta | India Standard Time | -04:30 |