| Mullingar Kotara | Eastern Australia Time | -09:00 |
| Mullingar Kota Kinabalu | Malaysia Time | -07:00 |
| Mullingar Kota Marudu | Malaysia Time | -07:00 |
| Mullingar Kothav | India Standard Time | -04:30 |
| Mullingar Kottiyam | India Standard Time | -04:30 |
| Mullingar Kottarakkara | India Standard Time | -04:30 |
| Mullingar Koto | Japan Time | -08:00 |
| Mullingar Kotobi | Greenwich Mean Time | 01:00 |
| Mullingar Kotor | Central European Time | -01:00 |
| Mullingar Kotor Varoš | Central European Time | -01:00 |
| Mullingar Kovalam | India Standard Time | -04:30 |
| Mullingar Keeranur | India Standard Time | -04:30 |
| Mullingar Kelibia | Central European Time | 00:00 |
| Mullingar Keilor East | Eastern Australia Time | -09:00 |
| Mullingar Keith | United Kingdom Time | 00:00 |
| Mullingar Kelantan | Western Indonesia Time | -06:00 |
| Mullingar Kelawade | India Standard Time | -04:30 |
| Mullingar Kelshi | India Standard Time | -04:30 |
| Mullingar Kelso | Eastern Australia Time | -09:00 |
| Mullingar Kelso | United Kingdom Time | 00:00 |
| Mullingar Kelsterbach | Central European Time | -01:00 |
| Mullingar Kelston | United Kingdom Time | 00:00 |
| Mullingar Kelvin Grove | Eastern Australia Time | -09:00 |
| Mullingar Kemah | Central Time | 06:00 |
| Mullingar Kazhakkoottam | India Standard Time | -04:30 |
| Mullingar Kazhipathur | India Standard Time | -04:30 |
| Mullingar Kebili | West Africa Time | 00:00 |
| Mullingar København | Central European Time | -01:00 |
| Mullingar København | Central European Time | -01:00 |
| Mullingar København | Central European Time | -01:00 |
| Mullingar København | Central European Time | -01:00 |
| Mullingar Keaau | Hawaii-Aleutian Time | 11:00 |
| Mullingar Jinzhou | China Time | -07:00 |
| Mullingar Jhikli Ambwari | India Standard Time | -04:30 |
| Mullingar Jindalee | Eastern Australia Time | -09:00 |
| Mullingar Jindivick | Eastern Australia Time | -09:00 |
| Mullingar Jim Thorpe | Eastern Time | 05:00 |
| Mullingar Jinan | China Time | -07:00 |