| Umuahia Épalinges | Central European Time | -01:00 |
| Umuahia Hondarribia | Central European Time | -01:00 |
| Umuahia Tiruchendur | India Standard Time | -04:30 |
| Umuahia Punta Gorda | Central Time | 07:00 |
| Umuahia Ellaville | Eastern Time | 05:00 |
| Umuahia Sohar | Gulf Standard Time | -03:00 |
| Umuahia Aiea | Hawaii-Aleutian Time | 11:00 |
| Umuahia Totnes | United Kingdom Time | 00:00 |
| Umuahia Epping | United Kingdom Time | 00:00 |
| Umuahia Homebush | Eastern Australia Time | -09:00 |
| Umuahia Tirukazhukundram | India Standard Time | -04:30 |
| Umuahia Punganur | India Standard Time | -04:30 |
| Umuahia Ellis | Central Time | 06:00 |
| Umuahia Soběslav | Central European Time | -01:00 |
| Umuahia Altstätten | Central European Time | -01:00 |
| Umuahia Uthangarai | India Standard Time | -04:30 |
| Umuahia Époisses | Central European Time | -01:00 |
| Umuahia Honesdale | Eastern Time | 05:00 |
| Umuahia Tirumakudalu Narasipura | India Standard Time | -04:30 |
| Umuahia Punjaipugalur | India Standard Time | -04:30 |
| Umuahia Ellisville | Central Time | 06:00 |
| Umuahia Sodus | Eastern Time | 05:00 |
| Umuahia Alvarado | Central Time | 06:00 |
| Umuahia Utila | Central Time | 07:00 |
| Umuahia Ephrata | Eastern Time | 05:00 |
| Umuahia Honfleur | Central European Time | -01:00 |
| Umuahia Tipton | Eastern Time | 05:00 |
| Umuahia Rontana | Central European Time | -01:00 |
| Umuahia Fort Erie | Eastern Time | 05:00 |
| Umuahia Sodus Point | Eastern Time | 05:00 |
| Umuahia Alverca do Ribatejo | Western European Time | 00:00 |
| Umuahia Ustrzyki Dolne | Central European Time | -01:00 |
| Umuahia Epen | Central European Time | -01:00 |
| Umuahia Hong | Central European Time | -01:00 |
| Umuahia Tisbury | Eastern Time | 05:00 |
| Umuahia Roppenheim | Central European Time | -01:00 |
| Umuahia Fort Gratiot Township | Eastern Time | 05:00 |
| Umuahia Seseña Nuevo | Central European Time | -01:00 |
| Umuahia Alvor | Western European Time | 00:00 |
| Umuahia Town of Rockingham | Eastern Time | 05:00 |
| Umuahia Dolynka | Eastern European Time | -02:00 |
| Umuahia Hong Kong | Hong Kong Time | -07:00 |
| Umuahia Tirumangalam | India Standard Time | -04:30 |
| Umuahia Roquebrune-Cap-Martin | Central European Time | -01:00 |
| Umuahia Ellenville | Eastern Time | 05:00 |
| Umuahia Serranópolis | Brasilia Time | 04:00 |
| Umuahia Alzenau | Central European Time | -01:00 |
| Umuahia Torreglia | Central European Time | -01:00 |
| Umuahia Dolus-d'Oléron | Central European Time | -01:00 |
| Umuahia Honnihalli | India Standard Time | -04:30 |