| Leersum Jhikli Ambwari | India Standard Time | -04:30 |
| Leersum Jessup | Eastern Time | 06:00 |
| Leersum Jesus Maria | Peru Time | 06:00 |
| Leersum Jette | Central European Time | 00:00 |
| Leersum Jettingen-Scheppach | Central European Time | 00:00 |
| Leersum Jindalee | Eastern Australia Time | -09:00 |
| Leersum Jindivick | Eastern Australia Time | -10:00 |
| Leersum Jim Thorpe | Eastern Time | 06:00 |
| Leersum Jinan | China Time | -07:00 |
| Leersum Ironton | Eastern Time | 06:00 |
| Leersum Iruma | Japan Time | -08:00 |
| Leersum Ireland | United Kingdom Time | 01:00 |
| Leersum Ipswich | Eastern Time | 06:00 |
| Leersum Iowa Park | Central Time | 07:00 |
| Leersum Iphofen | Central European Time | 00:00 |
| Leersum Inzell | Central European Time | 00:00 |
| Leersum Inverurie | United Kingdom Time | 01:00 |
| Leersum Inverleigh | Eastern Australia Time | -10:00 |
| Leersum Innaloo | Western Australia Time | -07:00 |
| Leersum Intra | Central European Time | 00:00 |
| Leersum Ingersoll | Eastern Time | 06:00 |
| Leersum Ingleburn | Eastern Australia Time | -10:00 |
| Leersum Inez | Eastern Time | 06:00 |
| Leersum Inishmore | Ireland Time | 01:00 |
| Leersum Indapur | India Standard Time | -04:30 |
| Leersum Indiana | Eastern Time | 06:00 |
| Leersum Indialantic | Eastern Time | 06:00 |
| Leersum Indian Harbour Beach | Eastern Time | 06:00 |
| Leersum Indian Rocks Beach | Eastern Time | 06:00 |
| Leersum Imboden | Central Time | 07:00 |
| Leersum Immenstadt | Central European Time | 00:00 |
| Leersum Incline Village | Pacific Time | 09:00 |
| Leersum Inala | Eastern Australia Time | -09:00 |
| Leersum Inari | Eastern European Time | -01:00 |
| Leersum Ischgl | Central European Time | 00:00 |
| Leersum Irvine | Pacific Time | 09:00 |
| Leersum Irvine | United Kingdom Time | 01:00 |
| Leersum Irving | Central Time | 07:00 |
| Leersum Ishikawa | Japan Time | -08:00 |
| Leersum Issigeac | Central European Time | 00:00 |
| Leersum Islington | Eastern Australia Time | -10:00 |
| Leersum Islamorada | Eastern Time | 06:00 |
| Leersum Islamabad | Pakistan Time | -04:00 |
| Leersum Islandia | Eastern Time | 06:00 |
| Leersum Isle | Central Time | 07:00 |
| Leersum Isla Canela | Central European Time | 00:00 |
| Leersum Isla Mujeres | Eastern Time | 06:00 |
| Leersum Itabashi | Japan Time | -08:00 |
| Leersum Itatiaia | Brasilia Time | 04:00 |
| Leersum Itaunja | India Standard Time | -04:30 |