| Istra Auburn | Central Time | 08:00 |
| Istra Jindivick | Eastern Australia Time | -07:00 |
| Istra Sidon District | Eastern European Time | 00:00 |
| Istra Central City | Mountain Time | 09:00 |
| Istra Setúbal Municipality | Western European Time | 02:00 |
| Istra Ryde | Eastern Australia Time | -07:00 |
| Istra Balaclava | Eastern Australia Time | -07:00 |
| Istra Thị xã Phú Thọ | Indochina Time | -04:00 |
| Istra Auchenflower | Eastern Australia Time | -07:00 |
| Istra Jim Thorpe | Eastern Time | 07:00 |
| Istra Signal Mountain | Eastern Time | 07:00 |
| Istra Celano | Central European Time | 01:00 |
| Istra Settefrati | Central European Time | 01:00 |
| Istra Rakovica | Central European Time | 01:00 |
| Istra Bakewell | United Kingdom Time | 02:00 |
| Istra Thirroul | Eastern Australia Time | -07:00 |
| Istra Aurora | Eastern Time | 07:00 |
| Istra Jinan | China Time | -05:00 |
| Istra Sigulda | Eastern European Time | 00:00 |
| Istra Briançon | Central European Time | 01:00 |
| Istra Santa Ana | Central Time | 09:00 |
| Istra Rajosana | India Standard Time | -02:30 |
| Istra Bailrigg | United Kingdom Time | 02:00 |
| Istra Takengon | Western Indonesia Time | -04:00 |
| Istra Aukrug | Central European Time | 01:00 |
| Istra Mittagong | Eastern Australia Time | -07:00 |
| Istra Siheung-si | Korean Time | -06:00 |
| Istra Brick | Eastern Time | 07:00 |
| Istra Santa Ana | Mexican Pacific Time | 10:00 |
| Istra Rajapalayam | India Standard Time | -02:30 |
| Istra Bainbridge | Eastern Time | 07:00 |
| Istra Taipa | China Time | -05:00 |
| Istra Blackwood | Central Australia Time | -06:30 |
| Istra Mittenwald | Central European Time | 01:00 |
| Istra Sigatoka | Fiji Time | -09:00 |
| Istra Cedar Springs | Eastern Time | 07:00 |
| Istra Sant Josep de sa Talaia | Central European Time | 01:00 |
| Istra Rajadewali | Pakistan Time | -02:00 |
| Istra Baio Dora | Central European Time | 01:00 |
| Istra Taito | Japan Time | -06:00 |
| Istra Blackrock | Ireland Time | 02:00 |
| Istra Mitzpe Ramon | Israel Time | 00:00 |
| Istra Sinaia | Eastern European Time | 00:00 |
| Istra Ceelbuur | East Africa Time | 00:00 |
| Istra Sant Miquel de Campmajor | Central European Time | 01:00 |
| Istra Rusk | Central Time | 08:00 |
| Istra Sudbury | Eastern Time | 07:00 |
| Istra Taitō-ku | Japan Time | -06:00 |
| Istra Buenos Aires | Argentina Time | 06:00 |
| Istra Matamata | New Zealand Time | -09:00 |