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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.| 12 Sidereal Years | to common time units |
|---|---|
| 12 Sy | = 378697794.048 seconds (s) |
| 12 Sy | = 6311629.9008 minutes (min) |
| 12 Sy | = 105193.83168 hours (hr) |
| 12 Sy | = 4383.07632 days (day) |
| 12 Sy | = 626.15376 weeks (wk) |
| 12 Sy | = 12.008428273973 years (yr) |
| 12 Sy | = 144.10113928767 months (mo) |
| 12 Sy | = 1.2006905328091 decades (dec) |
| 12 Sy | = 0.12006905328091 centuries (cent) |
| 12 Sy | = 0.012006905328091 millenniums (mill) |