| South Sioux City Zaporizhia | Eastern European Time | -08:00 |
| South Sioux City Marseille | Central European Time | -07:00 |
| South Sioux City Al Zarqa | Eastern European Time | -08:00 |
| South Sioux City Çankaya | Turkey Time | -08:00 |
| South Sioux City Boumerdas | Central European Time | -06:00 |
| South Sioux City Jalandhar | India Standard Time | -10:30 |
| South Sioux City Thiruvananthapuram | India Standard Time | -10:30 |
| South Sioux City Sakai | Japan Time | -14:00 |
| South Sioux City Anyang | China Time | -13:00 |
| South Sioux City San Miguel de Tucuman | Argentina Time | -02:00 |
| South Sioux City Cotonou | West Africa Time | -06:00 |
| South Sioux City Salem | India Standard Time | -10:30 |
| South Sioux City Tiruchirappalli | India Standard Time | -10:30 |
| South Sioux City Homs | Eastern European Time | -08:00 |
| South Sioux City Hohhot | China Time | -13:00 |
| South Sioux City Niamey | West Africa Time | -06:00 |
| South Sioux City Tainan City | Taipei Time | -13:00 |
| South Sioux City Shangyu | China Time | -13:00 |
| South Sioux City Łódź | Central European Time | -07:00 |
| South Sioux City Dammam | Arabian Time | -08:00 |
| South Sioux City Xining | China Time | -13:00 |
| South Sioux City Kahrīz | Iran Time | -09:30 |
| South Sioux City Kota | India Standard Time | -10:30 |
| South Sioux City Natal | Brasilia Time | -02:00 |
| South Sioux City Bhubaneshwar | India Standard Time | -10:30 |
| South Sioux City Qinhuangdao | China Time | -13:00 |
| South Sioux City Hengyang | China Time | -13:00 |
| South Sioux City Antalya | Turkey Time | -08:00 |
| South Sioux City Kraków | Central European Time | -07:00 |
| South Sioux City Aligarh | India Standard Time | -10:30 |
| South Sioux City Da Nang | Indochina Time | -12:00 |
| South Sioux City Pietermaritzburg | South Africa Standard Time | -07:00 |
| South Sioux City Lomé | Greenwich Mean Time | -05:00 |
| South Sioux City Trujillo | Peru Time | 00:00 |
| South Sioux City Malang | Western Indonesia Time | -12:00 |
| South Sioux City Ciudad Guayana | Venezuela Time | -01:00 |
| South Sioux City Bareilly | India Standard Time | -10:30 |
| South Sioux City Kigali | Central Africa Time | -07:00 |
| South Sioux City Teresina | Brasilia Time | -02:00 |
| South Sioux City Xinxiang | China Time | -13:00 |
| South Sioux City São Bernardo do Campo | Brasilia Time | -02:00 |
| South Sioux City Hegang | China Time | -13:00 |
| South Sioux City Rīga | Eastern European Time | -08:00 |
| South Sioux City Amsterdam | Central European Time | -07:00 |
| South Sioux City Oyo | West Africa Time | -06:00 |
| South Sioux City Quetta | Pakistan Time | -10:00 |
| South Sioux City Nottingham | United Kingdom Time | -06:00 |
| South Sioux City Campo Grande | Amazon Time | -01:00 |
| South Sioux City Ashgabat | Turkmenistan Time | -10:00 |
| South Sioux City Álvaro Obregón | Central Time | 01:00 |