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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 Hours (hr) is equal to 3600 seconds, while 1 Shakes (shake) = 1.0E-8 seconds.| 4200000000 Hours | to common time units |
|---|---|
| 4200000000 hr | = 15120000000000 seconds (s) |
| 4200000000 hr | = 252000000000 minutes (min) |
| 4200000000 hr | = 4200000000 hours (hr) |
| 4200000000 hr | = 175000000 days (day) |
| 4200000000 hr | = 25000000 weeks (wk) |
| 4200000000 hr | = 479452.05479452 years (yr) |
| 4200000000 hr | = 5753424.6575342 months (mo) |
| 4200000000 hr | = 47939.124920736 decades (dec) |
| 4200000000 hr | = 4793.9124920736 centuries (cent) |
| 4200000000 hr | = 479.39124920736 millenniums (mill) |