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