| Seoul Katy | Central Time | 15:00 |
| Seoul Kaub | Central European Time | 08:00 |
| Seoul Kaup | India Standard Time | 03:30 |
| Seoul Kaveripakkam | India Standard Time | 03:30 |
| Seoul Kattankulathur | India Standard Time | 03:30 |
| Seoul Katwijk aan Zee | Central European Time | 08:00 |
| Seoul Kayathar | India Standard Time | 03:30 |
| Seoul Kayamkulam | India Standard Time | 03:30 |
| Seoul Nakahara Ward | Japan Time | 00:00 |
| Seoul Kawartha Lakes | Eastern Time | 14:00 |
| Seoul Kawarau Falls | New Zealand Time | -04:00 |
| Seoul Kazhakkoottam | India Standard Time | 03:30 |
| Seoul Kazhipathur | India Standard Time | 03:30 |
| Seoul København | Central European Time | 08:00 |
| Seoul København | Central European Time | 08:00 |
| Seoul København | Central European Time | 08:00 |
| Seoul København | Central European Time | 08:00 |
| Seoul Keaau | Hawaii-Aleutian Time | 19:00 |
| Seoul Kafra | Eastern European Time | 07:00 |
| Seoul Kadapa | India Standard Time | 03:30 |
| Seoul Kadambur | India Standard Time | 03:30 |
| Seoul Kadima Zoran | Israel Time | 07:00 |
| Seoul Kadapra | India Standard Time | 03:30 |
| Seoul Kagawa-gun | Japan Time | 00:00 |
| Seoul Kaghan | Pakistan Time | 04:00 |
| Seoul Kahuku | Hawaii-Aleutian Time | 19:00 |
| Seoul Kallam | India Standard Time | 03:30 |
| Seoul Kall | Central European Time | 08:00 |
| Seoul Kallista | Eastern Australia Time | -02:00 |
| Seoul Kalona | Central Time | 15:00 |
| Seoul Kalaburagi | India Standard Time | 03:30 |
| Seoul Kakkanad | India Standard Time | 03:30 |
| Seoul Kajang | Malaysia Time | 01:00 |
| Seoul Kajang | Malaysia Time | 01:00 |
| Seoul Kalamazoo Township | Eastern Time | 14:00 |
| Seoul Kalady | India Standard Time | 03:30 |
| Seoul Kalahastipura | India Standard Time | 03:30 |
| Seoul Kalyan | India Standard Time | 03:30 |
| Seoul Kamboh Pura Part | India Standard Time | 03:30 |
| Seoul Kangaroo Valley | Eastern Australia Time | -02:00 |
| Seoul Kankaanpää | Eastern European Time | 07:00 |
| Seoul Kangerlussuaq | West Greenland Time | 12:00 |
| Seoul Kangkar Pulai | Malaysia Time | 01:00 |
| Seoul Kanhangad | India Standard Time | 03:30 |
| Seoul Kandersteg | Central European Time | 08:00 |
| Seoul Hassi Bahbah | Central European Time | 08:00 |
| Seoul Hattargi | India Standard Time | 03:30 |
| Seoul Haro | Central European Time | 08:00 |
| Seoul Harris Park | Eastern Australia Time | -02:00 |
| Seoul Harpers Ferry | Eastern Time | 14:00 |