| Umuahia North Perth | Western Australia Time | -07:00 |
| Umuahia Dennis | Eastern Time | 05:00 |
| Umuahia North Hobart | Eastern Australia Time | -09:00 |
| Umuahia Deoghar | India Standard Time | -04:30 |
| Umuahia North Jakarta | Western Indonesia Time | -06:00 |
| Umuahia Deolali | India Standard Time | -04:30 |
| Umuahia North Liberty | Central Time | 06:00 |
| Umuahia Condove | Central European Time | -01:00 |
| Umuahia North Lakes | Eastern Australia Time | -09:00 |
| Umuahia Concord | Eastern Australia Time | -09:00 |
| Umuahia North Melbourne | Eastern Australia Time | -09:00 |
| Umuahia Conneaut | Eastern Time | 05:00 |
| Umuahia North Myrtle Beach | Eastern Time | 05:00 |
| Umuahia Conifer | Mountain Time | 07:00 |
| Umuahia North Naples | Eastern Time | 05:00 |
| Umuahia Delson | Eastern Time | 05:00 |
| Umuahia Yorktown Heights | Eastern Time | 05:00 |
| Umuahia Delta | Mountain Time | 07:00 |
| Umuahia Yodogawa Ward | Japan Time | -08:00 |
| Umuahia Conthey | Central European Time | -01:00 |
| Umuahia Yoshinogari | Japan Time | -08:00 |
| Umuahia Conshohocken | Eastern Time | 05:00 |
| Umuahia Youngsville | Central Time | 06:00 |
| Umuahia Constantine | United Kingdom Time | 00:00 |
| Umuahia Yountville | Pacific Time | 08:00 |
| Umuahia Commerce | Pacific Time | 08:00 |
| Umuahia Yoxford | United Kingdom Time | 00:00 |
| Umuahia Como | Western Australia Time | -07:00 |
| Umuahia Ypres | Central European Time | -01:00 |
| Umuahia West Reading | Eastern Time | 05:00 |
| Umuahia West Richmond | Central Australia Time | -08:30 |
| Umuahia West Runton | United Kingdom Time | 00:00 |
| Umuahia West Ryde | Eastern Australia Time | -09:00 |
| Umuahia Yeniçiftlik | Turkey Time | -02:00 |
| Umuahia Yenifoça | Turkey Time | -02:00 |
| Umuahia Yenda | Eastern Australia Time | -09:00 |
| Umuahia Yermo | Pacific Time | 08:00 |
| Umuahia Yeroskipou | Eastern European Time | -02:00 |