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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 Sidereal Days (Sd) is equal to 86164.1 seconds, while 1 Hours (hr) = 3600 seconds.| 64 Sidereal Days | to common time units |
|---|---|
| 64 Sd | = 5514502.4 seconds (s) |
| 64 Sd | = 91908.373333333 minutes (min) |
| 64 Sd | = 1531.8062222222 hours (hr) |
| 64 Sd | = 63.825259259259 days (day) |
| 64 Sd | = 9.1178941798942 weeks (wk) |
| 64 Sd | = 0.17486372399797 years (yr) |
| 64 Sd | = 2.0983646879756 months (mo) |
| 64 Sd | = 0.01748415472416 decades (dec) |
| 64 Sd | = 0.001748415472416 centuries (cent) |
| 64 Sd | = 0.0001748415472416 millenniums (mill) |