| Iwaki Kottiyam | India Standard Time | 03:30 |
| Iwaki Kottarakkara | India Standard Time | 03:30 |
| Iwaki Koto | Japan Time | 00:00 |
| Iwaki Kotobi | Greenwich Mean Time | 09:00 |
| Iwaki Kotor | Central European Time | 07:00 |
| Iwaki Kotor Varoš | Central European Time | 07:00 |
| Iwaki Kafra | Eastern European Time | 06:00 |
| Iwaki Kadima Zoran | Israel Time | 06:00 |
| Iwaki Kadapra | India Standard Time | 03:30 |
| Iwaki København | Central European Time | 07:00 |
| Iwaki København | Central European Time | 07:00 |
| Iwaki København | Central European Time | 07:00 |
| Iwaki København | Central European Time | 07:00 |
| Iwaki Keaau | Hawaii-Aleutian Time | 19:00 |
| Iwaki Kebili | West Africa Time | 08:00 |
| Iwaki Kazhakkoottam | India Standard Time | 03:30 |
| Iwaki Kazhipathur | India Standard Time | 03:30 |
| Iwaki Kahuku | Hawaii-Aleutian Time | 19:00 |
| Iwaki Kagawa-gun | Japan Time | 00:00 |
| Iwaki Kaghan | Pakistan Time | 04:00 |
| Iwaki Kenmare | Ireland Time | 08:00 |
| Iwaki Kengalkempohalli | India Standard Time | 03:30 |
| Iwaki Kelibia | Central European Time | 08:00 |
| Iwaki Kelmarsh | United Kingdom Time | 08:00 |
| Iwaki Kemberg | Central European Time | 07:00 |
| Iwaki Kemptville | Eastern Time | 13:00 |
| Iwaki Keeranur | India Standard Time | 03:30 |
| Iwaki Keilor East | Eastern Australia Time | -01:00 |
| Iwaki Keith | United Kingdom Time | 08:00 |
| Iwaki Kelantan | Western Indonesia Time | 02:00 |
| Iwaki Kelawade | India Standard Time | 03:30 |
| Iwaki Kelshi | India Standard Time | 03:30 |
| Iwaki Kelso | Eastern Australia Time | -01:00 |
| Iwaki Kelso | United Kingdom Time | 08:00 |
| Iwaki Kelsterbach | Central European Time | 07:00 |
| Iwaki Kelston | United Kingdom Time | 08:00 |
| Iwaki Kelvin Grove | Eastern Australia Time | -01:00 |
| Iwaki Kemah | Central Time | 14:00 |