| Siheung-si Cardonville | Central European Time | 07:00 |
| Siheung-si Milnrow | United Kingdom Time | 08:00 |
| Siheung-si Santa Catarina | Central Time | 14:00 |
| Siheung-si Bukit Kayu Hitam | Malaysia Time | 01:00 |
| Siheung-si Midhurst | Eastern Time | 13:00 |
| Siheung-si Milton | Eastern Australia Time | -01:00 |
| Siheung-si Khelil | Central European Time | 08:00 |
| Siheung-si Punchbowl | Eastern Australia Time | -01:00 |
| Siheung-si Cardiff | Eastern Australia Time | -01:00 |
| Siheung-si Millers Falls | Eastern Time | 13:00 |
| Siheung-si Santa Ana | Central Time | 15:00 |
| Siheung-si Buenos Aires | Argentina Time | 12:00 |
| Siheung-si Midland City | Central Time | 14:00 |
| Siheung-si Millers Point | Eastern Australia Time | -01:00 |
| Siheung-si Khatiwali | India Standard Time | 03:30 |
| Siheung-si Punganur | India Standard Time | 03:30 |
| Siheung-si Cardigan | United Kingdom Time | 08:00 |
| Siheung-si Millheim | Eastern Time | 13:00 |
| Siheung-si Santa Ana | Mexican Pacific Time | 16:00 |
| Siheung-si Buford | Eastern Time | 13:00 |
| Siheung-si Midland | Western Australia Time | 01:00 |
| Siheung-si Millington | Central Time | 14:00 |
| Siheung-si Kahuku | Hawaii-Aleutian Time | 19:00 |
| Siheung-si Pune | India Standard Time | 03:30 |
| Siheung-si Caraíva | Brasilia Time | 12:00 |
| Siheung-si Millner | Central Australia Time | -00:30 |
| Siheung-si Sant Josep de sa Talaia | Central European Time | 07:00 |
| Siheung-si Buggenhout | Central European Time | 07:00 |
| Siheung-si Horsley | Eastern Australia Time | -01:00 |
| Siheung-si Millswood | Central Australia Time | -00:30 |
| Siheung-si Kafra | Eastern European Time | 06:00 |
| Siheung-si Pune | India Standard Time | 03:30 |
| Siheung-si Caraz | Peru Time | 14:00 |
| Siheung-si La Feria | Central Time | 14:00 |
| Siheung-si Sant Miquel de Campmajor | Central European Time | 07:00 |
| Siheung-si Buggiano | Central European Time | 07:00 |
| Siheung-si Harfleur | Central European Time | 07:00 |
| Siheung-si La Escalona | Western European Time | 08:00 |
| Siheung-si Kagawa-gun | Japan Time | 00:00 |
| Siheung-si Pune | India Standard Time | 03:30 |
| Siheung-si Carbis Bay | United Kingdom Time | 08:00 |
| Siheung-si La Horqueta | Argentina Time | 12:00 |
| Siheung-si Sengurichi | India Standard Time | 03:30 |
| Siheung-si Blackwood | Central Australia Time | -00:30 |
| Siheung-si Hardys Bay | Eastern Australia Time | -01:00 |
| Siheung-si La Matanza de Acentejo | Western European Time | 08:00 |
| Siheung-si Kaghan | Pakistan Time | 04:00 |
| Siheung-si Pune | India Standard Time | 03:30 |
| Siheung-si Chippewa Falls | Central Time | 14:00 |
| Siheung-si La Jonquera | Central European Time | 07:00 |