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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.| 635600 Sidereal Years | to common time units |
|---|---|
| 635600 Sy | = 20058359824742 seconds (s) |
| 635600 Sy | = 334305997079.04 minutes (min) |
| 635600 Sy | = 5571766617.984 hours (hr) |
| 635600 Sy | = 232156942.416 days (day) |
| 635600 Sy | = 33165277.488 weeks (wk) |
| 635600 Sy | = 636046.41757808 years (yr) |
| 635600 Sy | = 7632557.010937 months (mo) |
| 635600 Sy | = 63596.575221124 decades (dec) |
| 635600 Sy | = 6359.6575221124 centuries (cent) |
| 635600 Sy | = 635.96575221124 millenniums (mill) |