| Thoothukudi Kilburn | Central Australia Time | -05:00 |
| Thoothukudi Kilgore | Central Time | 11:30 |
| Thoothukudi Kilimanjaro | East Africa Time | 02:30 |
| Thoothukudi Kilinochchi | India Standard Time | 00:00 |
| Thoothukudi Klil | Israel Time | 03:30 |
| Thoothukudi Klang Dong | Indochina Time | -01:30 |
| Thoothukudi Klagenfurt | Central European Time | 04:30 |
| Thoothukudi Klopein | Central European Time | 04:30 |
| Thoothukudi Knightdale | Eastern Time | 10:30 |
| Thoothukudi Knoxfield | Eastern Australia Time | -05:30 |
| Thoothukudi Knüllwald | Central European Time | 04:30 |
| Thoothukudi Chuo Ward | Japan Time | -03:30 |
| Thoothukudi Ko Samui | Indochina Time | -01:30 |
| Thoothukudi Ko Chang | Indochina Time | -01:30 |
| Thoothukudi Ko Pha-ngan | Indochina Time | -01:30 |
| Thoothukudi Ko Phra Thong | Indochina Time | -01:30 |
| Thoothukudi Kodagu | India Standard Time | 00:00 |
| Thoothukudi Kochi | India Standard Time | 00:00 |
| Thoothukudi Kochi | India Standard Time | 00:00 |
| Thoothukudi Kiryat Tiv'on | Israel Time | 03:30 |
| Thoothukudi Kirnapur | India Standard Time | 00:00 |
| Thoothukudi Kirkwall | United Kingdom Time | 05:30 |
| Thoothukudi Kittery | Eastern Time | 10:30 |
| Thoothukudi Kitty Hawk | Eastern Time | 10:30 |
| Thoothukudi Kitscoty | Mountain Time | 12:30 |
| Thoothukudi Kiyose | Japan Time | -03:30 |
| Thoothukudi Kita Ward | Japan Time | -03:30 |
| Thoothukudi Kisosaki | Japan Time | -03:30 |
| Thoothukudi Kham Yai | Indochina Time | -01:30 |
| Thoothukudi Keystone | Mountain Time | 12:30 |
| Thoothukudi Kfar Monash | Israel Time | 03:30 |
| Thoothukudi Kfar Saba | Israel Time | 03:30 |
| Thoothukudi Kfar Tavor | Israel Time | 03:30 |
| Thoothukudi Khadki | India Standard Time | 00:00 |
| Thoothukudi Khao Phang | Indochina Time | -01:30 |
| Thoothukudi Khanote | Pakistan Time | 00:30 |
| Thoothukudi Khetri Nagar | India Standard Time | 00:00 |
| Thoothukudi Khimsar | India Standard Time | 00:00 |
| Thoothukudi Khelil | Central European Time | 04:30 |
| Thoothukudi Khatiwali | India Standard Time | 00:00 |
| Thoothukudi Khurais | Arabian Time | 02:30 |
| Thoothukudi Kemptville | Eastern Time | 10:30 |
| Thoothukudi Kengalkempohalli | India Standard Time | 00:00 |
| Thoothukudi Kemberg | Central European Time | 04:30 |
| Thoothukudi Kelshi | India Standard Time | 00:00 |
| Thoothukudi Kelso | Eastern Australia Time | -05:30 |
| Thoothukudi Kelso | United Kingdom Time | 05:30 |
| Thoothukudi Kelsterbach | Central European Time | 04:30 |
| Thoothukudi Kelston | United Kingdom Time | 05:30 |
| Thoothukudi Kelvin Grove | Eastern Australia Time | -04:30 |