| Istra Goiânia | Brasilia Time | 06:00 |
| Istra Guarulhos | Brasilia Time | 06:00 |
| Istra Prague | Central European Time | 01:00 |
| Istra Varanasi | India Standard Time | -02:30 |
| Istra Copenhagen | Central European Time | 01:00 |
| Istra Sofia | Eastern European Time | 00:00 |
| Istra Tripoli | Eastern European Time | 01:00 |
| Istra Port Harcourt | West Africa Time | 02:00 |
| Istra Hiroshima | Japan Time | -06:00 |
| Istra Lijiang | China Time | -05:00 |
| Istra Dubai | Gulf Standard Time | -01:00 |
| Istra Samara | Samara Time | -01:00 |
| Istra Omsk | Omsk Time | -03:00 |
| Istra Benin City | West Africa Time | 02:00 |
| Istra Monterrey | Central Time | 08:00 |
| Istra Malingao | Philippine Time | -05:00 |
| Istra Baku | Azerbaijan Time | -01:00 |
| Istra Leon | Central Time | 08:00 |
| Istra Maiduguri | West Africa Time | 02:00 |
| Istra Kazan | Moscow Time | 00:00 |
| Istra Yerevan | Armenia Time | -01:00 |
| Istra Amritsar | India Standard Time | -02:30 |
| Istra Ouagadougou | Greenwich Mean Time | 03:00 |
| Istra Yono | Japan Time | -06:00 |
| Istra Rostov-on-Don | Moscow Time | 00:00 |
| Istra Allahabad | India Standard Time | -02:30 |
| Istra Goyang-si | Korean Time | -06:00 |
| Istra Gaziantep | Turkey Time | 00:00 |
| Istra Visakhapatnam | India Standard Time | -02:30 |
| Istra Sendai | Japan Time | -06:00 |
| Istra Chelyabinsk | Yekaterinburg Time | -02:00 |
| Istra Datong | China Time | -05:00 |
| Istra Tbilisi | Georgia Time | -01:00 |
| Istra Changshu City | China Time | -05:00 |
| Istra Taichung | Taipei Time | -05:00 |
| Istra Theni | India Standard Time | -02:30 |
| Istra Xianyang | China Time | -05:00 |
| Istra Ufa | Yekaterinburg Time | -02:00 |
| Istra Dnepropetrovsk | Eastern European Time | 00:00 |
| Istra Seongnam-si | Korean Time | -06:00 |
| Istra Campinas | Brasilia Time | 06:00 |
| Istra Jabalpur | India Standard Time | -02:30 |
| Istra Howrah | India Standard Time | -02:30 |
| Istra Huainan | China Time | -05:00 |
| Istra San Jose | Pacific Time | 10:00 |
| Istra Donetsk | Eastern European Time | 00:00 |
| Istra Dublin | Ireland Time | 02:00 |
| Istra Calgary | Mountain Time | 09:00 |
| Istra Brussels | Central European Time | 01:00 |
| Istra Aurangabad | India Standard Time | -02:30 |