| Siheung-si Izhevsk | Samara Time | 05:00 |
| Siheung-si Jaboatão dos Guararapes | Brasilia Time | 12:00 |
| Siheung-si Shaoguan | China Time | 01:00 |
| Siheung-si Yancheng | China Time | 01:00 |
| Siheung-si Coyoacán | Central Time | 15:00 |
| Siheung-si Contagem | Brasilia Time | 12:00 |
| Siheung-si Santiago de Querétaro | Central Time | 15:00 |
| Siheung-si Bhilai | India Standard Time | 03:30 |
| Siheung-si Panshan | China Time | 01:00 |
| Siheung-si Djibouti | East Africa Time | 06:00 |
| Siheung-si Las Vegas | Pacific Time | 17:00 |
| Siheung-si Baltimore | Eastern Time | 14:00 |
| Siheung-si Saltillo | Central Time | 15:00 |
| Siheung-si Kermanshah | Iran Time | 05:30 |
| Siheung-si Ribeirão Preto | Brasilia Time | 12:00 |
| Siheung-si Al Hudaydah | Arabian Time | 06:00 |
| Siheung-si Pasig | Philippine Time | 01:00 |
| Siheung-si Bristol | United Kingdom Time | 09:00 |
| Siheung-si Jamshedpur | India Standard Time | 03:30 |
| Siheung-si Haikou | China Time | 01:00 |
| Siheung-si Ta‘izz | Arabian Time | 06:00 |
| Siheung-si São José dos Campos | Brasilia Time | 12:00 |
| Siheung-si Taizhou | China Time | 01:00 |
| Siheung-si Xingtai | China Time | 01:00 |
| Siheung-si Borivali | India Standard Time | 03:30 |
| Siheung-si Tlalpan | Central Time | 15:00 |
| Siheung-si Yaroslavl | Moscow Time | 06:00 |
| Siheung-si Benoni | South Africa Standard Time | 07:00 |
| Siheung-si Hamamatsu | Japan Time | 00:00 |
| Siheung-si Kochi | India Standard Time | 03:30 |
| Siheung-si Jinzhou | China Time | 01:00 |
| Siheung-si Amravati | India Standard Time | 03:30 |
| Siheung-si Abu Dhabi | Gulf Standard Time | 05:00 |
| Siheung-si Hai Phong | Indochina Time | 02:00 |
| Siheung-si Islamabad | Pakistan Time | 04:00 |
| Siheung-si Kirkuk | Arabian Time | 06:00 |
| Siheung-si Sangli | India Standard Time | 03:30 |
| Siheung-si Milwaukee | Central Time | 15:00 |
| Siheung-si Situbondo | Western Indonesia Time | 02:00 |
| Siheung-si Vancouver | Pacific Time | 17:00 |
| Siheung-si Shuangyashan | China Time | 01:00 |
| Siheung-si Scarborough | Eastern Time | 14:00 |
| Siheung-si Barnaul | Barnaul Time | 02:00 |
| Siheung-si Rotterdam | Central European Time | 08:00 |
| Siheung-si Luancheng | China Time | 01:00 |
| Siheung-si Mexicali | Pacific Time | 17:00 |
| Siheung-si Hermosillo | Mexican Pacific Time | 16:00 |
| Siheung-si Rasht | Iran Time | 05:30 |
| Siheung-si Abeokuta | West Africa Time | 08:00 |
| Siheung-si Essen | Central European Time | 08:00 |