| Cardiff Tembhurni | India Standard Time | 05:30 |
| Cardiff Sennfeld | Central European Time | 10:00 |
| Cardiff Shrirampur Rural | India Standard Time | 05:30 |
| Cardiff Senden | Central European Time | 10:00 |
| Cardiff Sicamous | Pacific Time | 18:00 |
| Cardiff Sendra | India Standard Time | 05:30 |
| Cardiff Sidi Amar | Central European Time | 10:00 |
| Cardiff Senegal | Peru Time | 16:00 |
| Cardiff Siddapur | India Standard Time | 05:30 |
| Cardiff Sengurichi | India Standard Time | 05:30 |
| Cardiff Siddhpur | India Standard Time | 05:30 |
| Cardiff Seri Gading | Malaysia Time | 03:00 |
| Cardiff Side | Turkey Time | 08:00 |
| Cardiff Seri Kembangan | Malaysia Time | 03:00 |
| Cardiff Side Belediyesi | Turkey Time | 08:00 |
| Cardiff Seri Manjung | Malaysia Time | 03:00 |
| Cardiff South Padre Island | Central Time | 16:00 |
| Cardiff Serdang | Malaysia Time | 03:00 |
| Cardiff South Park Township | Eastern Time | 15:00 |
| Cardiff Sequim | Pacific Time | 18:00 |
| Cardiff South Penrith | Eastern Australia Time | 00:00 |
| Cardiff Seoul | Korean Time | 02:00 |
| Cardiff South Perth | Western Australia Time | 03:00 |
| Cardiff Seoul | Korean Time | 02:00 |
| Cardiff South Yarra | Eastern Australia Time | 00:00 |
| Cardiff Sepang | Malaysia Time | 03:00 |
| Cardiff Southam | United Kingdom Time | 11:00 |
| Cardiff Sepang | Malaysia Time | 03:00 |
| Cardiff Southbank | Eastern Australia Time | 00:00 |
| Cardiff Yellow Springs | Eastern Time | 15:00 |
| Cardiff Southampton | Eastern Time | 15:00 |
| Cardiff Yemmiganur | India Standard Time | 05:30 |
| Cardiff Southampton | Eastern Time | 15:00 |
| Cardiff Yasmine Hammamet | Central European Time | 10:00 |
| Cardiff South Townsville | Eastern Australia Time | 01:00 |
| Cardiff Yedthady | India Standard Time | 05:30 |
| Cardiff South Sioux City | Central Time | 16:00 |
| Cardiff Yarine | Eastern European Time | 09:00 |
| Cardiff South Williamson | Eastern Time | 15:00 |
| Cardiff Yarra Junction | Eastern Australia Time | 00:00 |
| Cardiff South Granville | Eastern Australia Time | 00:00 |
| Cardiff Yarralumla | Eastern Australia Time | 00:00 |
| Cardiff South Hill | Eastern Time | 15:00 |
| Cardiff Yarraville | Eastern Australia Time | 00:00 |
| Cardiff South Hobart | Eastern Australia Time | 00:00 |
| Cardiff Wayne | Eastern Time | 15:00 |
| Cardiff South Fallsburg | Eastern Time | 15:00 |
| Cardiff Waynesville | Eastern Time | 15:00 |
| Cardiff South Fremantle | Western Australia Time | 03:00 |
| Cardiff Wayville | Central Australia Time | 00:30 |