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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.| 8178352836 Sidereal Years | to common time units |
|---|---|
| 8178352836 Sy | = 2.5809368149495E+17 seconds (s) |
| 8178352836 Sy | = 4.3015613582492E+15 minutes (min) |
| 8178352836 Sy | = 71692689304153 hours (hr) |
| 8178352836 Sy | = 2987195387673 days (day) |
| 8178352836 Sy | = 426742198239.01 weeks (wk) |
| 8178352836 Sy | = 8184096952.5289 years (yr) |
| 8178352836 Sy | = 98209163430.346 months (mo) |
| 8178352836 Sy | = 818305902.01316 decades (dec) |
| 8178352836 Sy | = 81830590.201316 centuries (cent) |
| 8178352836 Sy | = 8183059.0201316 millenniums (mill) |