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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.| 494500 Sidereal Days | to common time units |
|---|---|
| 494500 Sd | = 42608147450 seconds (s) |
| 494500 Sd | = 710135790.83333 minutes (min) |
| 494500 Sd | = 11835596.513889 hours (hr) |
| 494500 Sd | = 493149.85474537 days (day) |
| 494500 Sd | = 70449.979249339 weeks (wk) |
| 494500 Sd | = 1351.0954924531 years (yr) |
| 494500 Sd | = 16213.145909437 months (mo) |
| 494500 Sd | = 135.09241423589 decades (dec) |
| 494500 Sd | = 13.509241423589 centuries (cent) |
| 494500 Sd | = 1.3509241423589 millenniums (mill) |