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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.| 492500 Sidereal Years | to common time units |
|---|---|
| 492500 Sy | = 15542388630720 seconds (s) |
| 492500 Sy | = 259039810512 minutes (min) |
| 492500 Sy | = 4317330175.2 hours (hr) |
| 492500 Sy | = 179888757.3 days (day) |
| 492500 Sy | = 25698393.9 weeks (wk) |
| 492500 Sy | = 492845.91041096 years (yr) |
| 492500 Sy | = 5914150.9249315 months (mo) |
| 492500 Sy | = 49278.340617375 decades (dec) |
| 492500 Sy | = 4927.8340617375 centuries (cent) |
| 492500 Sy | = 492.78340617375 millenniums (mill) |