| Ooltewah Sylvester | Eastern Time | 00:00 |
| Ooltewah Syracuse | Central European Time | -06:00 |
| Ooltewah Searsport | Eastern Time | 00:00 |
| Ooltewah Seaton Ross | United Kingdom Time | -05:00 |
| Ooltewah Seattle | Pacific Time | 03:00 |
| Ooltewah Seberang Jaya | Malaysia Time | -12:00 |
| Ooltewah Seberang Perai | Malaysia Time | -12:00 |
| Ooltewah Sandgate | Eastern Australia Time | -14:00 |
| Ooltewah Sandy Bay | Eastern Australia Time | -14:00 |
| Ooltewah Seebara | India Standard Time | -09:30 |
| Ooltewah Seekonk | Eastern Time | 00:00 |
| Ooltewah Seeley's Bay | Eastern Time | 00:00 |
| Ooltewah Seelow | Central European Time | -06:00 |
| Ooltewah Sedona | Mountain Time | 03:00 |
| Ooltewah Sedro-Woolley | Pacific Time | 03:00 |
| Ooltewah Seeb | Gulf Standard Time | -08:00 |
| Ooltewah Sechelt | Pacific Time | 03:00 |
| Ooltewah Sedbergh | United Kingdom Time | -05:00 |
| Ooltewah Sebastopol | Pacific Time | 03:00 |
| Ooltewah Sebree | Central Time | 01:00 |
| Ooltewah Sebring | Eastern Time | 00:00 |
| Ooltewah Šebrov-Kateřina | Central European Time | -06:00 |
| Ooltewah Senai | Malaysia Time | -12:00 |
| Ooltewah Sementina | Central European Time | -06:00 |
| Ooltewah Semaphore | Central Australia Time | -13:30 |
| Ooltewah Selouane | Western European Time | -05:00 |
| Ooltewah Selinsgrove | Eastern Time | 00:00 |
| Ooltewah Selah | Pacific Time | 03:00 |
| Ooltewah Selangor | Malaysia Time | -12:00 |
| Ooltewah Selayang | Malaysia Time | -12:00 |
| Ooltewah Segamat District | Malaysia Time | -12:00 |
| Ooltewah Segur de Calafell | Central European Time | -06:00 |
| Ooltewah Seixal | Western European Time | -05:00 |
| Ooltewah Xuzhou | China Time | -12:00 |
| Ooltewah Xuchang | China Time | -12:00 |
| Ooltewah Yaliyuru | India Standard Time | -09:30 |
| Ooltewah Yallabatharra | Western Australia Time | -12:00 |
| Ooltewah Yallambie | Eastern Australia Time | -14:00 |