| Samut Prakan Qiqihar | China Time | -01:00 |
| Samut Prakan Klang | Malaysia Time | -01:00 |
| Samut Prakan Mendoza | Argentina Time | 10:00 |
| Samut Prakan Konya | Turkey Time | 04:00 |
| Samut Prakan Mbuji-Mayi | Central Africa Time | 05:00 |
| Samut Prakan Vijayawada | India Standard Time | 01:30 |
| Samut Prakan Pikine | Greenwich Mean Time | 07:00 |
| Samut Prakan Turin | Central European Time | 05:00 |
| Samut Prakan Mysore | India Standard Time | 01:30 |
| Samut Prakan Jacksonville | Eastern Time | 11:00 |
| Samut Prakan Wenzhou | China Time | -01:00 |
| Samut Prakan San Francisco | Pacific Time | 14:00 |
| Samut Prakan Liverpool | United Kingdom Time | 06:00 |
| Samut Prakan Saratov | Saratov Time | 03:00 |
| Samut Prakan Tegucigalpa | Central Time | 13:00 |
| Samut Prakan Bucheon-si | Korean Time | -02:00 |
| Samut Prakan Columbus | Eastern Time | 11:00 |
| Samut Prakan Voronezh | Moscow Time | 04:00 |
| Samut Prakan Ranchi | India Standard Time | 01:30 |
| Samut Prakan Naucalpan | Central Time | 12:00 |
| Samut Prakan Ulaanbaatar | Ulaanbaatar Time | -01:00 |
| Samut Prakan Takeo | Indochina Time | 00:00 |
| Samut Prakan Ahwaz | Iran Time | 02:30 |
| Samut Prakan Arequipa | Peru Time | 12:00 |
| Samut Prakan Padang | Western Indonesia Time | 00:00 |
| Samut Prakan Hubli | India Standard Time | 01:30 |
| Samut Prakan Marrakesh | Western European Time | 06:00 |
| Samut Prakan Denpasar | Central Indonesia Time | -01:00 |
| Samut Prakan Kampung Baru Subang | Malaysia Time | -01:00 |
| Samut Prakan Fort Worth | Central Time | 12:00 |
| Samut Prakan Indianapolis | Eastern Time | 11:00 |
| Samut Prakan Charlotte | Eastern Time | 11:00 |
| Samut Prakan Duque de Caxias | Brasilia Time | 10:00 |
| Samut Prakan Jos | West Africa Time | 06:00 |
| Samut Prakan Valencia | Central European Time | 05:00 |
| Samut Prakan Ilorin | West Africa Time | 06:00 |
| Samut Prakan Callao | Peru Time | 12:00 |
| Samut Prakan La Paz | Bolivia Time | 11:00 |
| Samut Prakan Ottawa | Eastern Time | 11:00 |
| Samut Prakan Barquisimeto | Venezuela Time | 11:00 |
| Samut Prakan Chihuahua | Mexican Pacific Time | 13:00 |
| Samut Prakan Nanning | China Time | -01:00 |
| Samut Prakan Freetown | Greenwich Mean Time | 07:00 |
| Samut Prakan Johor Bahru | Malaysia Time | -01:00 |
| Samut Prakan Jerusalem | Israel Time | 04:00 |
| Samut Prakan Bandar Lampung | Western Indonesia Time | 00:00 |
| Samut Prakan Bogor | Western Indonesia Time | 00:00 |
| Samut Prakan Mombasa | East Africa Time | 04:00 |
| Samut Prakan Cebu City | Philippine Time | -01:00 |
| Samut Prakan Muscat | Gulf Standard Time | 03:00 |