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| abstraction > mathematical concept > unit > non SI unit > hour |
| hour (h) | ||||
| subject | fact | |||
| hour | has symbol h | ![]() |
| has value in SI unit 60 min = 3600 s | ![]() | |
| is an instance of non SI unit | ![]() | |
| unit | has historical origin | ![]() |
| represents | ![]() |