| Siheung-si Big Bear Lake | Pacific Time | 17:00 |
| Siheung-si Ulmen | Central European Time | 08:00 |
| Siheung-si Belfort-du-Quercy | Central European Time | 08:00 |
| Siheung-si Schaerbeek | Central European Time | 08:00 |
| Siheung-si Big Pine Key | Eastern Time | 14:00 |
| Siheung-si Ulrichsberg | Central European Time | 08:00 |
| Siheung-si Belforte del Chienti | Central European Time | 08:00 |
| Siheung-si Konaklı Belediyesi | Turkey Time | 06:00 |
| Siheung-si Big Sky | Mountain Time | 16:00 |
| Siheung-si Ulundurpet | India Standard Time | 03:30 |
| Siheung-si Belconnen | Eastern Australia Time | -02:00 |
| Siheung-si Sidmouth | United Kingdom Time | 09:00 |
| Siheung-si Bijainagar | India Standard Time | 03:30 |
| Siheung-si Ulverston | United Kingdom Time | 09:00 |
| Siheung-si Antibes | Central European Time | 08:00 |
| Siheung-si Kondhapuri | India Standard Time | 03:30 |
| Siheung-si Billakempanahalli | India Standard Time | 03:30 |
| Siheung-si Ulverstone | Eastern Australia Time | -02:00 |
| Siheung-si Antigonish | Atlantic Time | 13:00 |
| Siheung-si Sidon District | Eastern European Time | 07:00 |
| Siheung-si Bilthoven | Central European Time | 08:00 |
| Siheung-si Tigkaki | Eastern European Time | 07:00 |
| Siheung-si Antananarivo | East Africa Time | 06:00 |
| Siheung-si Ladysmith | Pacific Time | 17:00 |
| Siheung-si Antwerp | Central European Time | 08:00 |
| Siheung-si Tielt-Winge | Central European Time | 08:00 |
| Siheung-si Anzegem | Central European Time | 08:00 |
| Siheung-si Siesta Key | Eastern Time | 14:00 |
| Siheung-si Anzegem | Central European Time | 08:00 |
| Siheung-si Tierra Blanca | Central Time | 15:00 |
| Siheung-si Aoulouz | Western European Time | 08:00 |
| Siheung-si Lady Lake | Eastern Time | 14:00 |
| Siheung-si Aougrout | Central European Time | 08:00 |
| Siheung-si Ticheville | Central European Time | 08:00 |
| Siheung-si Anzola dell'Emilia | Central European Time | 08:00 |
| Siheung-si Signal Mountain | Eastern Time | 14:00 |
| Siheung-si Ao Nang | Indochina Time | 02:00 |
| Siheung-si Tibau do Sul | Brasilia Time | 12:00 |
| Siheung-si Aoba Ward | Japan Time | 00:00 |
| Siheung-si Kollahalli | India Standard Time | 03:30 |
| Siheung-si Aoi Ward | Japan Time | 00:00 |
| Siheung-si Zürs | Central European Time | 08:00 |
| Siheung-si Appenzell District | Central European Time | 08:00 |
| Siheung-si Sigulda | Eastern European Time | 07:00 |
| Siheung-si Apple Springs | Central Time | 15:00 |
| Siheung-si Zweisimmen | Central European Time | 08:00 |
| Siheung-si Apollo Beach | Eastern Time | 14:00 |
| Siheung-si Sigatoka | Fiji Time | -03:00 |
| Siheung-si Applecross | Western Australia Time | 01:00 |
| Siheung-si Zwingenberg | Central European Time | 08:00 |