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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.| 489800 Atomic Unit Of Time | to common time units |
|---|---|
| 489800 au | = 1.1847695076092E-11 seconds (s) |
| 489800 au | = 1.9746158460153E-13 minutes (min) |
| 489800 au | = 3.2910264100256E-15 hours (hr) |
| 489800 au | = 1.3712610041773E-16 days (day) |
| 489800 au | = 1.9589442916819E-17 weeks (wk) |
| 489800 au | = 3.7568794634995E-19 years (yr) |
| 489800 au | = 4.5082553561994E-18 months (mo) |
| 489800 au | = 3.756403004468E-20 decades (dec) |
| 489800 au | = 3.756403004468E-21 centuries (cent) |
| 489800 au | = 3.756403004468E-22 millenniums (mill) |