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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.| 402400 Sidereal Years | to common time units |
|---|---|
| 402400 Sy | = 12698999360410 seconds (s) |
| 402400 Sy | = 211649989340.16 minutes (min) |
| 402400 Sy | = 3527499822.336 hours (hr) |
| 402400 Sy | = 146979159.264 days (day) |
| 402400 Sy | = 20997022.752 weeks (wk) |
| 402400 Sy | = 402682.62812055 years (yr) |
| 402400 Sy | = 4832191.5374466 months (mo) |
| 402400 Sy | = 40263.155866866 decades (dec) |
| 402400 Sy | = 4026.3155866866 centuries (cent) |
| 402400 Sy | = 402.63155866866 millenniums (mill) |