| Alor Setar Jhikli Ambwari | India Standard Time | 02:30 |
| Alor Setar Jessup | Eastern Time | 13:00 |
| Alor Setar Jesus Maria | Peru Time | 13:00 |
| Alor Setar Jette | Central European Time | 07:00 |
| Alor Setar Jettingen-Scheppach | Central European Time | 07:00 |
| Alor Setar Jindalee | Eastern Australia Time | -02:00 |
| Alor Setar Jindivick | Eastern Australia Time | -03:00 |
| Alor Setar Jim Thorpe | Eastern Time | 13:00 |
| Alor Setar Jinan | China Time | 00:00 |
| Alor Setar Ironton | Eastern Time | 13:00 |
| Alor Setar Iruma | Japan Time | -01:00 |
| Alor Setar Ireland | United Kingdom Time | 08:00 |
| Alor Setar Ipswich | Eastern Time | 13:00 |
| Alor Setar Iowa Park | Central Time | 14:00 |
| Alor Setar Iphofen | Central European Time | 07:00 |
| Alor Setar Inzell | Central European Time | 07:00 |
| Alor Setar Inverurie | United Kingdom Time | 08:00 |
| Alor Setar Inverleigh | Eastern Australia Time | -03:00 |
| Alor Setar Innaloo | Western Australia Time | 00:00 |
| Alor Setar Intra | Central European Time | 07:00 |
| Alor Setar Ingersoll | Eastern Time | 13:00 |
| Alor Setar Ingleburn | Eastern Australia Time | -03:00 |
| Alor Setar Inez | Eastern Time | 13:00 |
| Alor Setar Inishmore | Ireland Time | 08:00 |
| Alor Setar Indapur | India Standard Time | 02:30 |
| Alor Setar Indiana | Eastern Time | 13:00 |
| Alor Setar Indialantic | Eastern Time | 13:00 |
| Alor Setar Indian Harbour Beach | Eastern Time | 13:00 |
| Alor Setar Indian Rocks Beach | Eastern Time | 13:00 |
| Alor Setar Imboden | Central Time | 14:00 |
| Alor Setar Immenstadt | Central European Time | 07:00 |
| Alor Setar Incline Village | Pacific Time | 16:00 |
| Alor Setar Inala | Eastern Australia Time | -02:00 |
| Alor Setar Inari | Eastern European Time | 06:00 |
| Alor Setar Ischgl | Central European Time | 07:00 |
| Alor Setar Irvine | Pacific Time | 16:00 |
| Alor Setar Irvine | United Kingdom Time | 08:00 |
| Alor Setar Irving | Central Time | 14:00 |
| Alor Setar Ishikawa | Japan Time | -01:00 |
| Alor Setar Issigeac | Central European Time | 07:00 |
| Alor Setar Islington | Eastern Australia Time | -03:00 |
| Alor Setar Islamorada | Eastern Time | 13:00 |
| Alor Setar Islamabad | Pakistan Time | 03:00 |
| Alor Setar Islandia | Eastern Time | 13:00 |
| Alor Setar Isle | Central Time | 14:00 |
| Alor Setar Isla Canela | Central European Time | 07:00 |
| Alor Setar Isla Mujeres | Eastern Time | 13:00 |
| Alor Setar Itabashi | Japan Time | -01:00 |
| Alor Setar Itatiaia | Brasilia Time | 11:00 |
| Alor Setar Itaunja | India Standard Time | 02:30 |