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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.| 9864000000 Sidereal Years | to common time units |
|---|---|
| 9864000000 Sy | = 3.1128958670746E+17 seconds (s) |
| 9864000000 Sy | = 5.1881597784576E+15 minutes (min) |
| 9864000000 Sy | = 86469329640960 hours (hr) |
| 9864000000 Sy | = 3602888735040 days (day) |
| 9864000000 Sy | = 514698390720 weeks (wk) |
| 9864000000 Sy | = 9870928041.2055 years (yr) |
| 9864000000 Sy | = 118451136494.47 months (mo) |
| 9864000000 Sy | = 986967617.96911 decades (dec) |
| 9864000000 Sy | = 98696761.796911 centuries (cent) |
| 9864000000 Sy | = 9869676.1796911 millenniums (mill) |