| Siena Shanghai | China Time | -07:00 |
| Siena Istanbul | Turkey Time | -02:00 |
| Siena Buenos Aires | Argentina Time | 04:00 |
| Siena Mumbai | India Standard Time | -04:30 |
| Siena Mexico City | Central Time | 07:00 |
| Siena Beijing | China Time | -07:00 |
| Siena Karachi | Pakistan Time | -04:00 |
| Siena Tianjin | China Time | -07:00 |
| Siena Guangzhou | China Time | -07:00 |
| Siena Delhi | India Standard Time | -04:30 |
| Siena Moscow | Moscow Time | -02:00 |
| Siena Shenzhen | China Time | -07:00 |
| Siena Dhaka | Bangladesh Time | -05:00 |
| Siena Seoul | Korean Time | -08:00 |
| Siena São Paulo | Brasilia Time | 04:00 |
| Siena Wuhan | China Time | -07:00 |
| Siena Lagos | West Africa Time | 00:00 |
| Siena Jakarta | Western Indonesia Time | -06:00 |
| Siena Tokyo | Japan Time | -08:00 |
| Siena New York | Eastern Time | 06:00 |
| Siena Dongguan | China Time | -07:00 |
| Siena Taipei | Taipei Time | -07:00 |
| Siena Kinshasa | West Africa Time | 00:00 |
| Siena Lima | Peru Time | 06:00 |
| Siena Cairo | Eastern European Time | -01:00 |
| Siena Bogotá | Colombia Time | 06:00 |
| Siena London | United Kingdom Time | 01:00 |
| Siena Chongqing | China Time | -07:00 |
| Siena Chengdu | China Time | -07:00 |
| Siena Baghdad | Arabian Time | -02:00 |
| Siena Nanjing | China Time | -07:00 |
| Siena Tehran | Iran Time | -02:30 |
| Siena Nanchong | China Time | -07:00 |
| Siena Hong Kong | Hong Kong Time | -07:00 |
| Siena Hsi-an | China Time | -07:00 |
| Siena Lahore | Pakistan Time | -04:00 |
| Siena Shenyang | China Time | -07:00 |
| Siena Hangzhou | China Time | -07:00 |
| Siena Rio de Janeiro | Brasilia Time | 04:00 |
| Siena Harbin | China Time | -07:00 |
| Siena Tai’an | China Time | -07:00 |
| Siena Suzhou | China Time | -07:00 |
| Siena Shantou | China Time | -07:00 |
| Siena Bangkok | Indochina Time | -06:00 |
| Siena Bangalore | India Standard Time | -04:30 |
| Siena Saint Petersburg | Moscow Time | -02:00 |
| Siena Santiago | Chile Time | 04:00 |
| Siena Kolkata | India Standard Time | -04:30 |
| Siena Syd | Eastern Australia Time | -10:00 |
| Siena Yangon | Myanmar Time | -05:30 |