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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.| 400900 Atomic Unit Of Time | to common time units |
|---|---|
| 400900 au | = 9.697306974286E-12 seconds (s) |
| 400900 au | = 1.6162178290477E-13 minutes (min) |
| 400900 au | = 2.6936963817461E-15 hours (hr) |
| 400900 au | = 1.1223734923942E-16 days (day) |
| 400900 au | = 1.6033907034203E-17 weeks (wk) |
| 400900 au | = 3.0749958695732E-19 years (yr) |
| 400900 au | = 3.6899950434878E-18 months (mo) |
| 400900 au | = 3.0746058891205E-20 decades (dec) |
| 400900 au | = 3.0746058891205E-21 centuries (cent) |
| 400900 au | = 3.0746058891205E-22 millenniums (mill) |