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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.| 2878486447 Sidereal Years | to common time units |
|---|---|
| 2878486447 Sy | = 9.0839705639664E+16 seconds (s) |
| 2878486447 Sy | = 1.5139950939944E+15 minutes (min) |
| 2878486447 Sy | = 25233251566573 hours (hr) |
| 2878486447 Sy | = 1051385481940.6 days (day) |
| 2878486447 Sy | = 150197925991.51 weeks (wk) |
| 2878486447 Sy | = 2880508169.7001 years (yr) |
| 2878486447 Sy | = 34566098036.402 months (mo) |
| 2878486447 Sy | = 288014285.47769 decades (dec) |
| 2878486447 Sy | = 28801428.547769 centuries (cent) |
| 2878486447 Sy | = 2880142.8547769 millenniums (mill) |