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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.| 1266000000 Sidereal Years | to common time units |
|---|---|
| 1266000000 Sy | = 3.9952617272064E+16 seconds (s) |
| 1266000000 Sy | = 6.658769545344E+14 minutes (min) |
| 1266000000 Sy | = 11097949242240 hours (hr) |
| 1266000000 Sy | = 462414551760 days (day) |
| 1266000000 Sy | = 66059221680 weeks (wk) |
| 1266000000 Sy | = 1266889182.9041 years (yr) |
| 1266000000 Sy | = 15202670194.849 months (mo) |
| 1266000000 Sy | = 126672851.21136 decades (dec) |
| 1266000000 Sy | = 12667285.121136 centuries (cent) |
| 1266000000 Sy | = 1266728.5121136 millenniums (mill) |