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The hour (common symbol: h or hr, h being the international form of the symbol) is a unit of measurement of time. In modern usage, an hour comprises 60 minutes, or 3,600 second ..more definition+
In relation to the base unit of [time] => (seconds), 1 Atomic Unit Of Time (au) is equal to 2.418884254E-17 seconds, while 1 Hours (hr) = 3600 seconds.| 636400 Atomic Unit Of Time | to common time units |
|---|---|
| 636400 au | = 1.5393779392456E-11 seconds (s) |
| 636400 au | = 2.5656298987427E-13 minutes (min) |
| 636400 au | = 4.2760498312378E-15 hours (hr) |
| 636400 au | = 1.7816874296824E-16 days (day) |
| 636400 au | = 2.5452677566892E-17 weeks (wk) |
| 636400 au | = 4.8813354237874E-19 years (yr) |
| 636400 au | = 5.8576025085449E-18 months (mo) |
| 636400 au | = 4.8807163577857E-20 decades (dec) |
| 636400 au | = 4.8807163577857E-21 centuries (cent) |
| 636400 au | = 4.8807163577857E-22 millenniums (mill) |