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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.| 68800 Sidereal Years | to common time units |
|---|---|
| 68800 Sy | = 2171200685875.2 seconds (s) |
| 68800 Sy | = 36186678097.92 minutes (min) |
| 68800 Sy | = 603111301.632 hours (hr) |
| 68800 Sy | = 25129637.568 days (day) |
| 68800 Sy | = 3589948.224 weeks (wk) |
| 68800 Sy | = 68848.32210411 years (yr) |
| 68800 Sy | = 826179.86524932 months (mo) |
| 68800 Sy | = 6883.9590547724 decades (dec) |
| 68800 Sy | = 688.39590547724 centuries (cent) |
| 68800 Sy | = 68.839590547724 millenniums (mill) |