| Istra Seven Hills | Eastern Australia Time | -07:00 |
| Istra Zhongshan | China Time | -05:00 |
| Istra Weidenbach | Central European Time | 01:00 |
| Istra Zollikerberg | Central European Time | 01:00 |
| Istra Clayton | Eastern Time | 07:00 |
| Istra Zofingen | Central European Time | 01:00 |
| Istra Bir Ali Ben Khlifa | Central European Time | 02:00 |
| Istra Settle | United Kingdom Time | 02:00 |
| Istra Weiz | Central European Time | 01:00 |
| Istra Cle Elum | Pacific Time | 10:00 |
| Istra Belfort-du-Quercy | Central European Time | 01:00 |
| Istra Setúbal Municipality | Western European Time | 02:00 |
| Istra Weinstadt | Central European Time | 01:00 |
| Istra Clear Lake | Central Time | 08:00 |
| Istra Belforte del Chienti | Central European Time | 01:00 |
| Istra Sevierville | Eastern Time | 07:00 |
| Istra Weinfelden | Central European Time | 01:00 |
| Istra Cercedilla | Central European Time | 01:00 |
| Istra Belconnen | Eastern Australia Time | -07:00 |
| Istra Santa Rosa Beach | Central Time | 08:00 |
| Istra Vicente López | Argentina Time | 06:00 |
| Istra Central Jakarta | Western Indonesia Time | -04:00 |
| Istra Bekasi | Western Indonesia Time | -04:00 |
| Istra Settefrati | Central European Time | 01:00 |
| Istra Victor | Eastern Time | 07:00 |
| Istra Centralia | Eastern Time | 07:00 |
| Istra Belagam | India Standard Time | -02:30 |
| Istra Seward | Alaska Time | 11:00 |
| Istra Victor Harbor | Central Australia Time | -06:30 |
| Istra Céret | Central European Time | 01:00 |
| Istra Bitan Aharon | Israel Time | 00:00 |
| Istra Santa María Huatulco | Central Time | 08:00 |
| Istra Víctor Larco Herrera District | Peru Time | 08:00 |
| Istra Cervantes | Western Australia Time | -05:00 |
| Istra Bithan | India Standard Time | -02:30 |
| Istra Santa Maria A Vico | Central European Time | 01:00 |
| Istra Vico del Gargano | Central European Time | 01:00 |
| Istra Cerovlje | Central European Time | 01:00 |
| Istra Bithani Gaon | India Standard Time | -02:30 |
| Istra Santa Ponça | Central European Time | 01:00 |
| Istra Victoria Point | Eastern Australia Time | -07:00 |
| Istra Cadiz | Central Time | 08:00 |
| Istra Bissone | Central European Time | 01:00 |
| Istra Santa Nella | Pacific Time | 10:00 |
| Istra Victoria | Central European Time | 01:00 |
| Istra Cadalso | Central European Time | 01:00 |
| Istra Bisbee | Mountain Time | 10:00 |
| Istra Santa Oliva | Central European Time | 01:00 |
| Istra Victoria Park | Western Australia Time | -05:00 |
| Istra Cadalso de los Vidrios | Central European Time | 01:00 |