| Istra Vitthalapur | India Standard Time | -02:30 |
| Istra Thurso | United Kingdom Time | 02:00 |
| Istra Frankenburg | Central European Time | 01:00 |
| Istra Port Dover | Eastern Time | 07:00 |
| Istra Sudbury | Eastern Time | 07:00 |
| Istra Virapandi | India Standard Time | -02:30 |
| Istra København | Central European Time | 01:00 |
| Istra Pismo Beach | Pacific Time | 10:00 |
| Istra Volcano | Hawaii-Aleutian Time | 13:00 |
| Istra Thusis | Central European Time | 01:00 |
| Istra Frankenmuth | Eastern Time | 07:00 |
| Istra Port Elliot | Central Australia Time | -06:30 |
| Istra Suginami | Japan Time | -06:00 |
| Istra Vilshofen an der Donau | Central European Time | 01:00 |
| Istra København | Central European Time | 01:00 |
| Istra Pithari | Eastern European Time | 00:00 |
| Istra Visakhapatnam | India Standard Time | -02:30 |
| Istra Thibodaux | Central Time | 08:00 |
| Istra Frammersbach | Central European Time | 01:00 |
| Istra Port Fairy | Eastern Australia Time | -07:00 |
| Istra Sartène | Central European Time | 01:00 |
| Istra Vinchur | India Standard Time | -02:30 |
| Istra København | Central European Time | 01:00 |
| Istra Qalat Sukar | Arabian Time | 00:00 |
| Istra Visakhapatnam Port | India Standard Time | -02:30 |
| Istra Thirroul | Eastern Australia Time | -07:00 |
| Istra Frampton Cotterell | United Kingdom Time | 02:00 |
| Istra Pefkos | Eastern European Time | 00:00 |
| Istra Sasbach am Kaiserstuhl | Central European Time | 01:00 |
| Istra Wilbraham | Eastern Time | 07:00 |
| Istra København | Central European Time | 01:00 |
| Istra Pyrmont | Eastern Australia Time | -07:00 |
| Istra Union Gap | Pacific Time | 10:00 |
| Istra Thodupuzha | India Standard Time | -02:30 |
| Istra Egina | Eastern European Time | 00:00 |
| Istra Peguera | Central European Time | 01:00 |
| Istra Sherwood | Eastern Australia Time | -07:00 |
| Istra Wildau | Central European Time | 01:00 |
| Istra Keaau | Hawaii-Aleutian Time | 13:00 |
| Istra Pyree | Eastern Australia Time | -07:00 |
| Istra Umpqua | Pacific Time | 10:00 |
| Istra Thiruverumbur | India Standard Time | -02:30 |
| Istra Egelsbach | Central European Time | 01:00 |
| Istra Peio Fonti | Central European Time | 01:00 |
| Istra Shibpur | India Standard Time | -02:30 |
| Istra Wilder | Eastern Time | 07:00 |
| Istra Jindalee | Eastern Australia Time | -07:00 |
| Istra Qaha | Eastern European Time | 01:00 |
| Istra Umhlanga | South Africa Standard Time | 01:00 |
| Istra Thirupathi | India Standard Time | -02:30 |