| Information | |
|---|---|
| Name | Oyamadai |
| Postal Code | 319-1119 |
| Villages | Tokai (東海村) |
| Districts | Naka |
| Prefectures | Ibaraki |
| Regions | Kanto (関東地方) |
| Place Type | town | Language | JA | HASC | JP.IB |
| Daylight Saving Time | NOT APPLICABLE |
| Local Date |
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| Local Time |
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