| Udon Thani Ponkunnam | India Standard Time | 01:30 |
| Udon Thani Ericeira | Western European Time | 06:00 |
| Udon Thani Happy Valley | Pacific Time | 14:00 |
| Udon Thani Kasauli | India Standard Time | 01:30 |
| Udon Thani Saint Ann | Central Time | 12:00 |
| Udon Thani Ramsey | Eastern Time | 11:00 |
| Udon Thani Bundanoon | Eastern Australia Time | -03:00 |
| Udon Thani Sé | Western European Time | 06:00 |
| Udon Thani Ponnamveli | India Standard Time | 01:30 |
| Udon Thani Erzhausen | Central European Time | 05:00 |
| Udon Thani Harburg | Central European Time | 05:00 |
| Udon Thani Kashigarh | India Standard Time | 01:30 |
| Udon Thani Saint Anthony | Central Time | 12:00 |
| Udon Thani Ramstein-Miesenbach | Central European Time | 05:00 |
| Udon Thani Bulmer Tye | United Kingdom Time | 06:00 |
| Udon Thani Sea Isle City | Eastern Time | 11:00 |
| Udon Thani Pontian District | Malaysia Time | -01:00 |
| Udon Thani Ernakulam | India Standard Time | 01:30 |
| Udon Thani Hounslow | United Kingdom Time | 06:00 |
| Udon Thani Kasia Bazaar | India Standard Time | 01:30 |
| Udon Thani Saint Anton am Arlberg | Central European Time | 05:00 |
| Udon Thani Ramuscello | Central European Time | 05:00 |
| Udon Thani Bulgaria | Central European Time | 05:00 |
| Udon Thani Seahouses | United Kingdom Time | 06:00 |
| Udon Thani Ponte Tresa | Central European Time | 05:00 |
| Udon Thani Epping | United Kingdom Time | 06:00 |
| Udon Thani Hotchkiss | Mountain Time | 13:00 |
| Udon Thani Kasol | India Standard Time | 01:30 |
| Udon Thani Saint-Aunès | Central European Time | 05:00 |
| Udon Thani Ranakpur | India Standard Time | 01:30 |
| Udon Thani Bulimba | Eastern Australia Time | -03:00 |
| Udon Thani Singapore | South Africa Standard Time | 05:00 |
| Udon Thani Ponte do Rol | Western European Time | 06:00 |
| Udon Thani Erbil | Arabian Time | 04:00 |
| Udon Thani Howrah | India Standard Time | 01:30 |
| Udon Thani Koh Chang Tai | Indochina Time | 00:00 |
| Udon Thani Sahibzada Ajit Singh Nagar | India Standard Time | 01:30 |
| Udon Thani Ranya | Arabian Time | 04:00 |
| Udon Thani Bull Bay | United Kingdom Time | 06:00 |
| Udon Thani Singonahalli | India Standard Time | 01:30 |
| Udon Thani Ponte Fabbrica | Central European Time | 05:00 |
| Udon Thani Épalinges | Central European Time | 05:00 |
| Udon Thani Howell | Eastern Time | 11:00 |
| Udon Thani Kohoku Ward | Japan Time | -02:00 |
| Udon Thani Sai Thai | Indochina Time | 00:00 |
| Udon Thani Ransbach-Baumbach | Central European Time | 05:00 |
| Udon Thani Bulle | Central European Time | 05:00 |
| Udon Thani Sint-Lambrechts-Herk | Central European Time | 05:00 |
| Udon Thani Ponte Nizza | Central European Time | 05:00 |
| Udon Thani Epen | Central European Time | 05:00 |