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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.| 6450 Sidereal Years | to common time units |
|---|---|
| 6450 Sy | = 203550064300.8 seconds (s) |
| 6450 Sy | = 3392501071.68 minutes (min) |
| 6450 Sy | = 56541684.528 hours (hr) |
| 6450 Sy | = 2355903.522 days (day) |
| 6450 Sy | = 336557.646 weeks (wk) |
| 6450 Sy | = 6454.5301972603 years (yr) |
| 6450 Sy | = 77454.362367123 months (mo) |
| 6450 Sy | = 645.37116138491 decades (dec) |
| 6450 Sy | = 64.537116138491 centuries (cent) |
| 6450 Sy | = 6.4537116138491 millenniums (mill) |