| Jacksonville Kemah | Central Time | 01:00 |
| Jacksonville Keeranur | India Standard Time | -10:30 |
| Jacksonville Kebili | West Africa Time | -06:00 |
| Jacksonville Kelibia | Central European Time | -06:00 |
| Jacksonville Kelmarsh | United Kingdom Time | -05:00 |
| Jacksonville Kelantan | Western Indonesia Time | -12:00 |
| Jacksonville Kelawade | India Standard Time | -10:30 |
| Jacksonville Keilor East | Eastern Australia Time | -16:00 |
| Jacksonville Keith | United Kingdom Time | -05:00 |
| Jacksonville Kennebunkport | Eastern Time | 00:00 |
| Jacksonville Kenmore | Eastern Australia Time | -15:00 |
| Jacksonville Kenmare | Ireland Time | -05:00 |
| Jacksonville Kensington | Eastern Australia Time | -16:00 |
| Jacksonville Kennett | Central Time | 01:00 |
| Jacksonville Kenton | Eastern Time | 00:00 |
| Jacksonville Keralassery | India Standard Time | -10:30 |
| Jacksonville Kérou | West Africa Time | -06:00 |
| Jacksonville Kernen | Central European Time | -06:00 |
| Jacksonville Kerpen | Central European Time | -06:00 |
| Jacksonville Keswick | United Kingdom Time | -05:00 |
| Jacksonville Kesare | India Standard Time | -10:30 |
| Jacksonville Ketchikan | Alaska Time | 04:00 |
| Jacksonville Kettleman City | Pacific Time | 03:00 |
| Jacksonville Kewanee | Central Time | 01:00 |
| Jacksonville Key Biscayne | Eastern Time | 00:00 |
| Jacksonville Key Largo | Eastern Time | 00:00 |
| Jacksonville Kapolei | Hawaii-Aleutian Time | 05:00 |
| Jacksonville Kaprun | Central European Time | -06:00 |
| Jacksonville Kapuskasing | Eastern Time | 00:00 |
| Jacksonville Kannur | India Standard Time | -10:30 |
| Jacksonville Kansas City | Central Time | 01:00 |
| Jacksonville Kapar | Malaysia Time | -13:00 |
| Jacksonville Karumathampatti | India Standard Time | -10:30 |
| Jacksonville Kartal | Turkey Time | -08:00 |
| Jacksonville Karnak | Central Time | 01:00 |
| Jacksonville Karon | Indochina Time | -12:00 |
| Jacksonville Karlsborg | Central European Time | -06:00 |
| Jacksonville Karawara | Western Australia Time | -13:00 |
| Jacksonville Karambakkudi | India Standard Time | -10:30 |
| Jacksonville Kardinya | Western Australia Time | -13:00 |
| Jacksonville Karkkila | Eastern European Time | -07:00 |
| Jacksonville Kathu | Indochina Time | -12:00 |
| Jacksonville Kathikas | Eastern European Time | -07:00 |
| Jacksonville Katlenburg-Lindau | Central European Time | -06:00 |
| Jacksonville Katapady | India Standard Time | -10:30 |
| Jacksonville Kasuya | Japan Time | -14:00 |
| Jacksonville Kasia Bazaar | India Standard Time | -10:30 |
| Jacksonville Kasol | India Standard Time | -10:30 |
| Jacksonville Kashigarh | India Standard Time | -10:30 |
| Jacksonville Kasauli | India Standard Time | -10:30 |