| Windcrest Jhikli Ambwari | India Standard Time | -11:30 |
| Windcrest Jessup | Eastern Time | -01:00 |
| Windcrest Jesus Maria | Peru Time | -01:00 |
| Windcrest Jette | Central European Time | -07:00 |
| Windcrest Jettingen-Scheppach | Central European Time | -07:00 |
| Windcrest Jindalee | Eastern Australia Time | -16:00 |
| Windcrest Jindivick | Eastern Australia Time | -17:00 |
| Windcrest Jim Thorpe | Eastern Time | -01:00 |
| Windcrest Jinan | China Time | -14:00 |
| Windcrest Ironton | Eastern Time | -01:00 |
| Windcrest Iruma | Japan Time | -15:00 |
| Windcrest Ireland | United Kingdom Time | -06:00 |
| Windcrest Ipswich | Eastern Time | -01:00 |
| Windcrest Iowa Park | Central Time | 00:00 |
| Windcrest Iphofen | Central European Time | -07:00 |
| Windcrest Inzell | Central European Time | -07:00 |
| Windcrest Inverurie | United Kingdom Time | -06:00 |
| Windcrest Inverleigh | Eastern Australia Time | -17:00 |
| Windcrest Innaloo | Western Australia Time | -14:00 |
| Windcrest Intra | Central European Time | -07:00 |
| Windcrest Ingersoll | Eastern Time | -01:00 |
| Windcrest Ingleburn | Eastern Australia Time | -17:00 |
| Windcrest Inez | Eastern Time | -01:00 |
| Windcrest Inishmore | Ireland Time | -06:00 |
| Windcrest Indapur | India Standard Time | -11:30 |
| Windcrest Indiana | Eastern Time | -01:00 |
| Windcrest Indialantic | Eastern Time | -01:00 |
| Windcrest Indian Harbour Beach | Eastern Time | -01:00 |
| Windcrest Indian Rocks Beach | Eastern Time | -01:00 |
| Windcrest Imboden | Central Time | 00:00 |
| Windcrest Immenstadt | Central European Time | -07:00 |
| Windcrest Incline Village | Pacific Time | 02:00 |
| Windcrest Inala | Eastern Australia Time | -16:00 |
| Windcrest Inari | Eastern European Time | -08:00 |
| Windcrest Ischgl | Central European Time | -07:00 |
| Windcrest Irvine | Pacific Time | 02:00 |
| Windcrest Irvine | United Kingdom Time | -06:00 |
| Windcrest Irving | Central Time | 00:00 |
| Windcrest Ishikawa | Japan Time | -15:00 |
| Windcrest Issigeac | Central European Time | -07:00 |
| Windcrest Islington | Eastern Australia Time | -17:00 |
| Windcrest Islamorada | Eastern Time | -01:00 |
| Windcrest Islamabad | Pakistan Time | -11:00 |
| Windcrest Islandia | Eastern Time | -01:00 |
| Windcrest Isle | Central Time | 00:00 |
| Windcrest Isla Canela | Central European Time | -07:00 |
| Windcrest Isla Mujeres | Eastern Time | -01:00 |
| Windcrest Itabashi | Japan Time | -15:00 |
| Windcrest Itatiaia | Brasilia Time | -03:00 |
| Windcrest Itaunja | India Standard Time | -11:30 |