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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.| 6398000000 Sidereal Years | to common time units |
|---|---|
| 6398000000 Sy | = 2.0190904052659E+17 seconds (s) |
| 6398000000 Sy | = 3.3651506754432E+15 minutes (min) |
| 6398000000 Sy | = 56085844590720 hours (hr) |
| 6398000000 Sy | = 2336910191280 days (day) |
| 6398000000 Sy | = 333844313040 weeks (wk) |
| 6398000000 Sy | = 6402493674.7397 years (yr) |
| 6398000000 Sy | = 76829924096.877 months (mo) |
| 6398000000 Sy | = 640168169.07607 decades (dec) |
| 6398000000 Sy | = 64016816.907607 centuries (cent) |
| 6398000000 Sy | = 6401681.6907607 millenniums (mill) |