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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.| 42900 Sidereal Years | to common time units |
|---|---|
| 42900 Sy | = 1353844613721.6 seconds (s) |
| 42900 Sy | = 22564076895.36 minutes (min) |
| 42900 Sy | = 376067948.256 hours (hr) |
| 42900 Sy | = 15669497.844 days (day) |
| 42900 Sy | = 2238499.692 weeks (wk) |
| 42900 Sy | = 42930.131079452 years (yr) |
| 42900 Sy | = 515161.57295342 months (mo) |
| 42900 Sy | = 4292.4686547926 decades (dec) |
| 42900 Sy | = 429.24686547926 centuries (cent) |
| 42900 Sy | = 42.924686547926 millenniums (mill) |