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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.| 500 Sidereal Days | to common time units |
|---|---|
| 500 Sd | = 43082050 seconds (s) |
| 500 Sd | = 718034.16666667 minutes (min) |
| 500 Sd | = 11967.236111111 hours (hr) |
| 500 Sd | = 498.63483796296 days (day) |
| 500 Sd | = 71.233548280423 weeks (wk) |
| 500 Sd | = 1.3661228437341 years (yr) |
| 500 Sd | = 16.39347412481 months (mo) |
| 500 Sd | = 0.1365949587825 decades (dec) |
| 500 Sd | = 0.01365949587825 centuries (cent) |
| 500 Sd | = 0.001365949587825 millenniums (mill) |