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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.| 400 Atomic Unit Of Time | to common time units |
|---|---|
| 400 au | = 9.675537016E-15 seconds (s) |
| 400 au | = 1.6125895026667E-16 minutes (min) |
| 400 au | = 2.6876491711111E-18 hours (hr) |
| 400 au | = 1.1198538212963E-19 days (day) |
| 400 au | = 1.5997911732804E-20 weeks (wk) |
| 400 au | = 3.0680926610857E-22 years (yr) |
| 400 au | = 3.6817111933029E-21 months (mo) |
| 400 au | = 3.0677035561192E-23 decades (dec) |
| 400 au | = 3.0677035561192E-24 centuries (cent) |
| 400 au | = 3.0677035561192E-25 millenniums (mill) |