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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 Years (Sy) is equal to 31558149.504 seconds, while 1 Hours (hr) = 3600 seconds.| 721600 Sidereal Years | to common time units |
|---|---|
| 721600 Sy | = 22772360682086 seconds (s) |
| 721600 Sy | = 379539344701.44 minutes (min) |
| 721600 Sy | = 6325655745.024 hours (hr) |
| 721600 Sy | = 263568989.376 days (day) |
| 721600 Sy | = 37652712.768 weeks (wk) |
| 721600 Sy | = 722106.82020822 years (yr) |
| 721600 Sy | = 8665281.8424986 months (mo) |
| 721600 Sy | = 72201.524039589 decades (dec) |
| 721600 Sy | = 7220.1524039589 centuries (cent) |
| 721600 Sy | = 722.01524039589 millenniums (mill) |