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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.| 4213613017 Sidereal Years | to common time units |
|---|---|
| 4213613017 Sy | = 1.3297382954249E+17 seconds (s) |
| 4213613017 Sy | = 2.2162304923748E+15 minutes (min) |
| 4213613017 Sy | = 36937174872913 hours (hr) |
| 4213613017 Sy | = 1539048953038 days (day) |
| 4213613017 Sy | = 219864136148.29 weeks (wk) |
| 4213613017 Sy | = 4216572474.0768 years (yr) |
| 4213613017 Sy | = 50598869688.922 months (mo) |
| 4213613017 Sy | = 421603771.5361 decades (dec) |
| 4213613017 Sy | = 42160377.15361 centuries (cent) |
| 4213613017 Sy | = 4216037.715361 millenniums (mill) |