| Kaapstad | Zuid-Afrika | 08:36:06 | 15-04-2021 | |
| Kabul | Afghanistan | 11:06:06 | 15-04-2021 | |
| Kaliningrad | Rusland | 08:36:06 | 15-04-2021 | DST |
| Kamchatka | Rusland | 18:36:06 | 15-04-2021 | DST |
| Kampala | Uganda | 09:36:06 | 15-04-2021 | |
| Kaohsiung | Taiwan | 15:36:06 | 15-04-2021 | |
| Kashi | China | 14:36:06 | 15-04-2021 | |
| Kathmandu | Nepal | 12:36:06 | 15-04-2021 | |
| Khabarovsk | Rusland | 16:36:06 | 15-04-2021 | DST |
| Khartoum | Sudan | 08:36:06 | 15-04-2021 | |
| Kiew | Oekraïne | 08:36:06 | 15-04-2021 | DST |
| Kigali | Rwanda | 08:36:06 | 15-04-2021 | |
| Kingston | Norfolk Eiland | 18:06:06 | 15-04-2021 | |
| Kingston | Jamaica | 01:36:06 | 15-04-2021 | |
| Kingstown | St. Vincent en de Grenadines | 02:36:06 | 15-04-2021 | |
| Kinshasa | Democratische Republiek Kongo | 07:36:06 | 15-04-2021 | |
| Kisangani | Democratische Rebubliek Kongo | 08:36:06 | 15-04-2021 | |
| Kitakyushu | Japan | 15:36:06 | 15-04-2021 | |
| Kolyma | Rusland | 17:36:06 | 15-04-2021 | DST |
| Kopenhagen | Denemarken | 07:36:06 | 15-04-2021 | DST |
| Koror | Palau | 15:36:06 | 15-04-2021 | |
| Kotte | Sri Lanka | 12:36:06 | 15-04-2021 | |
| Krasnoyarsk | Rusland | 13:36:06 | 15-04-2021 | DST |
| Kuala Lumpur | Maleisië | 14:36:06 | 15-04-2021 | |
| Kunming | China | 14:36:06 | 15-04-2021 | |
| Kuweit | Kuweit | 09:36:06 | 15-04-2021 | |
| Kyoto | Japan | 15:36:06 | 15-04-2021 | |
