| Sirsa Zollikerberg | Central European Time | 03:30 |
| Sirsa Kelso | Eastern Australia Time | -04:30 |
| Sirsa Kelso | United Kingdom Time | 04:30 |
| Sirsa Kelsterbach | Central European Time | 03:30 |
| Sirsa Kelston | United Kingdom Time | 04:30 |
| Sirsa Kelvin Grove | Eastern Australia Time | -04:30 |
| Sirsa Kemah | Central Time | 10:30 |
| Sirsa Kemberg | Central European Time | 03:30 |
| Sirsa Kelmarsh | United Kingdom Time | 04:30 |
| Sirsa Kotara | Eastern Australia Time | -04:30 |
| Sirsa Kota Kinabalu | Malaysia Time | -02:30 |
| Sirsa Kota Marudu | Malaysia Time | -02:30 |
| Sirsa Kothav | India Standard Time | 00:00 |
| Sirsa Kota Bharu | Malaysia Time | -02:30 |
| Sirsa Kota Belud | Malaysia Time | -02:30 |
| Sirsa Keralassery | India Standard Time | 00:00 |
| Sirsa Kottiyam | India Standard Time | 00:00 |
| Sirsa Kottarakkara | India Standard Time | 00:00 |
| Sirsa Koto | Japan Time | -03:30 |
| Sirsa Kotobi | Greenwich Mean Time | 05:30 |
| Sirsa Kotor | Central European Time | 03:30 |
| Sirsa Kotor Varoš | Central European Time | 03:30 |
| Sirsa Kovalam | India Standard Time | 00:00 |
| Sirsa Keeranur | India Standard Time | 00:00 |
| Sirsa Kazhakkoottam | India Standard Time | 00:00 |
| Sirsa Kazhipathur | India Standard Time | 00:00 |
| Sirsa Kebili | West Africa Time | 04:30 |
| Sirsa København | Central European Time | 03:30 |
| Sirsa København | Central European Time | 03:30 |
| Sirsa København | Central European Time | 03:30 |
| Sirsa København | Central European Time | 03:30 |
| Sirsa Keaau | Hawaii-Aleutian Time | 15:30 |
| Sirsa Jindalee | Eastern Australia Time | -04:30 |
| Sirsa Jindivick | Eastern Australia Time | -04:30 |
| Sirsa Jinzhou | China Time | -02:30 |
| Sirsa Jhikli Ambwari | India Standard Time | 00:00 |
| Sirsa Jim Thorpe | Eastern Time | 09:30 |
| Sirsa Jinan | China Time | -02:30 |