| Strangford Jhikli Ambwari | India Standard Time | -05:30 |
| Strangford Jessup | Eastern Time | 05:00 |
| Strangford Jesus Maria | Peru Time | 05:00 |
| Strangford Jette | Central European Time | -01:00 |
| Strangford Jettingen-Scheppach | Central European Time | -01:00 |
| Strangford Jindalee | Eastern Australia Time | -10:00 |
| Strangford Jindivick | Eastern Australia Time | -11:00 |
| Strangford Jim Thorpe | Eastern Time | 05:00 |
| Strangford Jinan | China Time | -08:00 |
| Strangford Ironton | Eastern Time | 05:00 |
| Strangford Iruma | Japan Time | -09:00 |
| Strangford Ireland | United Kingdom Time | 00:00 |
| Strangford Ipswich | Eastern Time | 05:00 |
| Strangford Iowa Park | Central Time | 06:00 |
| Strangford Iphofen | Central European Time | -01:00 |
| Strangford Inzell | Central European Time | -01:00 |
| Strangford Inverurie | United Kingdom Time | 00:00 |
| Strangford Inverleigh | Eastern Australia Time | -11:00 |
| Strangford Innaloo | Western Australia Time | -08:00 |
| Strangford Intra | Central European Time | -01:00 |
| Strangford Ingersoll | Eastern Time | 05:00 |
| Strangford Ingleburn | Eastern Australia Time | -11:00 |
| Strangford Inez | Eastern Time | 05:00 |
| Strangford Inishmore | Ireland Time | 00:00 |
| Strangford Indapur | India Standard Time | -05:30 |
| Strangford Indiana | Eastern Time | 05:00 |
| Strangford Indialantic | Eastern Time | 05:00 |
| Strangford Indian Harbour Beach | Eastern Time | 05:00 |
| Strangford Indian Rocks Beach | Eastern Time | 05:00 |
| Strangford Imboden | Central Time | 06:00 |
| Strangford Immenstadt | Central European Time | -01:00 |
| Strangford Incline Village | Pacific Time | 08:00 |
| Strangford Inala | Eastern Australia Time | -10:00 |
| Strangford Inari | Eastern European Time | -02:00 |
| Strangford Ischgl | Central European Time | -01:00 |
| Strangford Irvine | Pacific Time | 08:00 |
| Strangford Irvine | United Kingdom Time | 00:00 |
| Strangford Irving | Central Time | 06:00 |
| Strangford Ishikawa | Japan Time | -09:00 |
| Strangford Issigeac | Central European Time | -01:00 |
| Strangford Islington | Eastern Australia Time | -11:00 |
| Strangford Islamorada | Eastern Time | 05:00 |
| Strangford Islamabad | Pakistan Time | -05:00 |
| Strangford Islandia | Eastern Time | 05:00 |
| Strangford Isle | Central Time | 06:00 |
| Strangford Isla Canela | Central European Time | -01:00 |
| Strangford Isla Mujeres | Eastern Time | 05:00 |
| Strangford Itabashi | Japan Time | -09:00 |
| Strangford Itatiaia | Brasilia Time | 03:00 |
| Strangford Itaunja | India Standard Time | -05:30 |