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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.| 15 Sidereal Days | to common time units |
|---|---|
| 15 Sd | = 1292461.5 seconds (s) |
| 15 Sd | = 21541.025 minutes (min) |
| 15 Sd | = 359.01708333333 hours (hr) |
| 15 Sd | = 14.959045138889 days (day) |
| 15 Sd | = 2.1370064484127 weeks (wk) |
| 15 Sd | = 0.040983685312024 years (yr) |
| 15 Sd | = 0.49180422374429 months (mo) |
| 15 Sd | = 0.004097848763475 decades (dec) |
| 15 Sd | = 0.0004097848763475 centuries (cent) |
| 15 Sd | = 4.097848763475E-5 millenniums (mill) |