| Ibb Almeley | United Kingdom Time | 02:00 |
| Ibb Ulmen | Central European Time | 01:00 |
| Ibb Almargem do Bispo | Western European Time | 02:00 |
| Ibb Ulrichsberg | Central European Time | 01:00 |
| Ibb Almancil | Western European Time | 02:00 |
| Ibb Ultimo | Eastern Australia Time | -07:00 |
| Ibb Allenspark | Mountain Time | 09:00 |
| Ibb Uintah | Mountain Time | 09:00 |
| Ibb Allostock | United Kingdom Time | 02:00 |
| Ibb Ukai | India Standard Time | -02:30 |
| Ibb Allenby Gardens | Central Australia Time | -06:30 |
| Ibb Ujire | India Standard Time | -02:30 |
| Ibb Al Jaghbub | Eastern European Time | 01:00 |
| Ibb Tigkaki | Eastern European Time | 00:00 |
| Ibb Al Hofuf | Arabian Time | 00:00 |
| Ibb Tielt-Winge | Central European Time | 01:00 |
| Ibb Al Jaradiyah | Arabian Time | 00:00 |
| Ibb Tierra Blanca | Central Time | 08:00 |
| Ibb Al-Mamurah | Central European Time | 02:00 |
| Ibb Tibau do Sul | Brasilia Time | 06:00 |
| Ibb Al Mudayq | Gulf Standard Time | -01:00 |
| Ibb Ticheville | Central European Time | 01:00 |
| Ibb Ajijic | Central Time | 08:00 |
| Ibb Tianjin | China Time | -05:00 |
| Ibb Akköy | Turkey Time | 00:00 |
| Ibb Thurso | United Kingdom Time | 02:00 |
| Ibb Al Aaroui | Western European Time | 02:00 |
| Ibb Thusis | Central European Time | 01:00 |
| Ibb Akrotiri | Eastern European Time | 00:00 |
| Ibb Thung Song | Indochina Time | -04:00 |
| Ibb Aigle | Central European Time | 01:00 |
| Ibb Thuckalay | India Standard Time | -02:30 |
| Ibb Aiea | Hawaii-Aleutian Time | 13:00 |
| Ibb Agurain | Central European Time | 01:00 |
| Ibb Aitkenvale | Eastern Australia Time | -07:00 |
| Ibb Airport West | Eastern Australia Time | -07:00 |
| Ibb Air Itam | Malaysia Time | -05:00 |
| Ibb Ajanta | India Standard Time | -02:30 |