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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.| 557000 Sidereal Days | to common time units |
|---|---|
| 557000 Sd | = 47993403700 seconds (s) |
| 557000 Sd | = 799890061.66667 minutes (min) |
| 557000 Sd | = 13331501.027778 hours (hr) |
| 557000 Sd | = 555479.20949074 days (day) |
| 557000 Sd | = 79354.172784392 weeks (wk) |
| 557000 Sd | = 1521.8608479198 years (yr) |
| 557000 Sd | = 18262.330175038 months (mo) |
| 557000 Sd | = 152.1667840837 decades (dec) |
| 557000 Sd | = 15.21667840837 centuries (cent) |
| 557000 Sd | = 1.521667840837 millenniums (mill) |