| Samut Prakan Siping | China Time | -01:00 |
| Samut Prakan Kagoshima | Japan Time | -02:00 |
| Samut Prakan Surakarta | Western Indonesia Time | 00:00 |
| Samut Prakan Huai'an | China Time | -01:00 |
| Samut Prakan Bhavnagar | India Standard Time | 01:30 |
| Samut Prakan Mar del Plata | Argentina Time | 10:00 |
| Samut Prakan Bahawalpur | Pakistan Time | 02:00 |
| Samut Prakan Zāhedān | Iran Time | 02:30 |
| Samut Prakan Aden | Arabian Time | 04:00 |
| Samut Prakan Nanded | India Standard Time | 01:30 |
| Samut Prakan Orenburg | Yekaterinburg Time | 02:00 |
| Samut Prakan Pristina | Central European Time | 05:00 |
| Samut Prakan Changwon | Korean Time | -02:00 |
| Samut Prakan Jiamusi | China Time | -01:00 |
| Samut Prakan Antipolo | Philippine Time | -01:00 |
| Samut Prakan Neijiang | China Time | -01:00 |
| Samut Prakan Bremen | Central European Time | 05:00 |
| Samut Prakan Meknes | Western European Time | 06:00 |
| Samut Prakan Sharjah | Gulf Standard Time | 03:00 |
| Samut Prakan Banciao | Taipei Time | -01:00 |
| Samut Prakan Sargodha | Pakistan Time | 02:00 |
| Samut Prakan Bangui | West Africa Time | 06:00 |
| Samut Prakan Vilnius | Eastern European Time | 04:00 |
| Samut Prakan Cancún | Eastern Time | 12:00 |
| Samut Prakan Yangzhou | China Time | -01:00 |
| Samut Prakan Novokuznetsk | Novokuznetsk Time | 00:00 |
| Samut Prakan Kisangani | Central Africa Time | 05:00 |
| Samut Prakan Port Said | Eastern European Time | 05:00 |
| Samut Prakan Mersin | Turkey Time | 04:00 |
| Samut Prakan Warri | West Africa Time | 06:00 |
| Samut Prakan Guli | China Time | -01:00 |
| Samut Prakan Ebute Ikorodu | West Africa Time | 06:00 |
| Samut Prakan Taku | China Time | -01:00 |
| Samut Prakan Jiangmen | China Time | -01:00 |
| Samut Prakan Tucson | Mountain Time | 14:00 |
| Samut Prakan Nashville | Central Time | 12:00 |
| Samut Prakan Taif | Arabian Time | 04:00 |
| Samut Prakan Beira | Central Africa Time | 05:00 |
| Samut Prakan Guntur | India Standard Time | 01:30 |
| Samut Prakan Touba | Greenwich Mean Time | 07:00 |
| Samut Prakan Quebec City | Eastern Time | 11:00 |
| Samut Prakan Hamedan | Iran Time | 02:30 |
| Samut Prakan Cangzhou | China Time | -01:00 |
| Samut Prakan San Salvador | Central Time | 13:00 |
| Samut Prakan Santa María Chimalhuacán | Central Time | 12:00 |
| Samut Prakan Torreón | Central Time | 12:00 |
| Samut Prakan Dehradun | India Standard Time | 01:30 |
| Samut Prakan Cuiabá | Amazon Time | 11:00 |
| Samut Prakan Cuauhtémoc | Central Time | 12:00 |
| Samut Prakan Ciudad López Mateos | Central Time | 12:00 |