| Nagano Muzaffarabad | Pakistan Time | 04:00 |
| Nagano Guadalupe | Central Time | 14:00 |
| Nagano Bağcılar | Turkey Time | 06:00 |
| Nagano Sulaymaniyah | Arabian Time | 06:00 |
| Nagano Cúcuta | Colombia Time | 14:00 |
| Nagano Moradabad | India Standard Time | 03:30 |
| Nagano N'Djamena | West Africa Time | 08:00 |
| Nagano Langfang | China Time | 01:00 |
| Nagano Zhumadian | China Time | 01:00 |
| Nagano Yantai | China Time | 01:00 |
| Nagano Lviv | Eastern European Time | 06:00 |
| Nagano Merida | Central Time | 14:00 |
| Nagano Tlalnepantla | Central Time | 14:00 |
| Nagano Edmonton | Mountain Time | 15:00 |
| Nagano Jeonju-si | Korean Time | 00:00 |
| Nagano Zhuzhou | China Time | 01:00 |
| Nagano Subang Jaya | Malaysia Time | 01:00 |
| Nagano Bhiwandi | India Standard Time | 03:30 |
| Nagano Pekanbaru | Western Indonesia Time | 02:00 |
| Nagano Seville | Central European Time | 07:00 |
| Nagano Tolyatti | Samara Time | 05:00 |
| Nagano Jaboatão | Brasilia Time | 12:00 |
| Nagano Shizuoka | Japan Time | 00:00 |
| Nagano Santo Domingo Oeste | Atlantic Time | 13:00 |
| Nagano Rajshahi | Bangladesh Time | 03:00 |
| Nagano City of Balikpapan | Central Indonesia Time | 01:00 |
| Nagano Changzhi | China Time | 01:00 |
| Nagano Bulawayo | Central Africa Time | 07:00 |
| Nagano Zagreb | Central European Time | 07:00 |
| Nagano Agadir | Western European Time | 08:00 |
| Nagano Sarajevo | Central European Time | 07:00 |
| Nagano La Plata | Argentina Time | 12:00 |
| Nagano Tunis | Central European Time | 08:00 |
| Nagano Zhangjiakou | China Time | 01:00 |
| Nagano Zigong | China Time | 01:00 |
| Nagano Fuxin | China Time | 01:00 |
| Nagano Enugu | West Africa Time | 08:00 |
| Nagano Tangier | Western European Time | 08:00 |
| Nagano Huangshi | China Time | 01:00 |
| Nagano Liaoyang | China Time | 01:00 |
| Nagano Sheffield | United Kingdom Time | 08:00 |
| Nagano Seattle | Pacific Time | 16:00 |
| Nagano Denver | Mountain Time | 15:00 |
| Nagano El Paso | Mountain Time | 15:00 |
| Nagano Kumamoto | Japan Time | 00:00 |
| Nagano Raipur | India Standard Time | 03:30 |
| Nagano General Santos | Philippine Time | 01:00 |
| Nagano Dushanbe | Tajikistan Time | 04:00 |
| Nagano Osasco | Brasilia Time | 12:00 |
| Nagano San Luis Potosi | Central Time | 14:00 |