| Udon Thani Muzaffarabad | Pakistan Time | 02:00 |
| Udon Thani Guadalupe | Central Time | 12:00 |
| Udon Thani Bağcılar | Turkey Time | 04:00 |
| Udon Thani Sulaymaniyah | Arabian Time | 04:00 |
| Udon Thani Cúcuta | Colombia Time | 12:00 |
| Udon Thani Moradabad | India Standard Time | 01:30 |
| Udon Thani N'Djamena | West Africa Time | 06:00 |
| Udon Thani Langfang | China Time | -01:00 |
| Udon Thani Zhumadian | China Time | -01:00 |
| Udon Thani Yantai | China Time | -01:00 |
| Udon Thani Lviv | Eastern European Time | 04:00 |
| Udon Thani Merida | Central Time | 12:00 |
| Udon Thani Tlalnepantla | Central Time | 12:00 |
| Udon Thani Edmonton | Mountain Time | 13:00 |
| Udon Thani Jeonju-si | Korean Time | -02:00 |
| Udon Thani Zhuzhou | China Time | -01:00 |
| Udon Thani Subang Jaya | Malaysia Time | -01:00 |
| Udon Thani Bhiwandi | India Standard Time | 01:30 |
| Udon Thani Pekanbaru | Western Indonesia Time | 00:00 |
| Udon Thani Seville | Central European Time | 05:00 |
| Udon Thani Tolyatti | Samara Time | 03:00 |
| Udon Thani Jaboatão | Brasilia Time | 10:00 |
| Udon Thani Shizuoka | Japan Time | -02:00 |
| Udon Thani Santo Domingo Oeste | Atlantic Time | 11:00 |
| Udon Thani Rajshahi | Bangladesh Time | 01:00 |
| Udon Thani City of Balikpapan | Central Indonesia Time | -01:00 |
| Udon Thani Changzhi | China Time | -01:00 |
| Udon Thani Bulawayo | Central Africa Time | 05:00 |
| Udon Thani Zagreb | Central European Time | 05:00 |
| Udon Thani Agadir | Western European Time | 06:00 |
| Udon Thani Sarajevo | Central European Time | 05:00 |
| Udon Thani La Plata | Argentina Time | 10:00 |
| Udon Thani Tunis | Central European Time | 06:00 |
| Udon Thani Zhangjiakou | China Time | -01:00 |
| Udon Thani Zigong | China Time | -01:00 |
| Udon Thani Fuxin | China Time | -01:00 |
| Udon Thani Enugu | West Africa Time | 06:00 |
| Udon Thani Tangier | Western European Time | 06:00 |
| Udon Thani Huangshi | China Time | -01:00 |
| Udon Thani Liaoyang | China Time | -01:00 |
| Udon Thani Sheffield | United Kingdom Time | 06:00 |
| Udon Thani Seattle | Pacific Time | 14:00 |
| Udon Thani Denver | Mountain Time | 13:00 |
| Udon Thani El Paso | Mountain Time | 13:00 |
| Udon Thani Kumamoto | Japan Time | -02:00 |
| Udon Thani Raipur | India Standard Time | 01:30 |
| Udon Thani General Santos | Philippine Time | -01:00 |
| Udon Thani Dushanbe | Tajikistan Time | 02:00 |
| Udon Thani Osasco | Brasilia Time | 10:00 |
| Udon Thani San Luis Potosi | Central Time | 12:00 |